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CS604 Assignment No 2 Solution Spring 2018

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<span style="font-family: "verdana" , sans-serif;">CS604 Assignment No 2 Spring 2018</span></h3>
<span style="font-family: Verdana, sans-serif;">Dear VU Students, Here you can read or Download <b>CS604</b> - <u>Operating-Systems </u><b>Assignment No 2 Solution</b> and Discussion of Semester <b>Spring 2018</b>. Assignment Due Date is 29 MAY, 2018. Total Marks are 20. <b>CS604 Assignment Solution File</b> has been added.</span><br />
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2r_92VAKQEt_l0s86SMECX9sKZ99I95WY4kvZd99ERhFDEC3iiOZDZckBkvwJsUSg2VzxBFtthe-Q6w1V9YX1ZY8dp7EzZyRjEpVu4YdKEhHcw6cckWU981zpkciLIQFNwz75EaMzNmk/s1600/CS604+Assignment+No+2+Solution+and+Discussion+Spring+2018.png" imageanchor="1" style="margin-left: auto; margin-right: auto;"><span style="font-family: Verdana, sans-serif;"><img alt="CS604 Assignment No 2 Solution and Discussion Spring 2018" border="0" data-original-height="669" data-original-width="944" height="225" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2r_92VAKQEt_l0s86SMECX9sKZ99I95WY4kvZd99ERhFDEC3iiOZDZckBkvwJsUSg2VzxBFtthe-Q6w1V9YX1ZY8dp7EzZyRjEpVu4YdKEhHcw6cckWU981zpkciLIQFNwz75EaMzNmk/s320/CS604+Assignment+No+2+Solution+and+Discussion+Spring+2018.png" title="CS604 Assignment No 2 Solution and Discussion Spring 2018" width="320" /></span></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-size: 12.8px;"><span style="font-family: Verdana, sans-serif;">CS604 Assignment No 2 Solution and Discussion Spring 2018</span></span></td></tr>
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<span style="font-family: Verdana, sans-serif;">CS604 Assignment Instructions: </span></h4>
<span style="font-family: Verdana, sans-serif;">Please read the following instructions carefully before submitting assignment:<br /><ul style="text-align: left;">
<li>You should submit your assignment before or on due date on VULMS.</li>
<li>Your assignment should be your own work in your own words. It should not be copied from Internet, handouts or books.</li>
<li>Assignment sent via Email will not be replied and accepted.</li>
<li>If the submitted assignment does not open or file is corrupt, it will not be marked and hence awarded zero marks.</li>
</ul>
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<span style="font-family: Verdana, sans-serif;">CS604 Assignment Objectives:</span></h4>
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<span style="font-family: Verdana, sans-serif;">Objective of CS604 - </span><u style="font-family: Verdana, sans-serif;">Operating-Systems</u><span style="font-family: Verdana, sans-serif;"> Assignment is to:</span><span style="font-family: Verdana, sans-serif;"><br /></span><ul style="text-align: left;">
<li><span style="font-family: Verdana, sans-serif;">Implementations of CPU scheduling algorithms</span></li>
<li><span style="font-family: Verdana, sans-serif;">Measuring the performance of scheduling algorithms</span></li>
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<span style="font-family: "verdana" , sans-serif;">Assignment Question No 1:</span></h3>
<span style="font-family: Verdana, sans-serif;">Consider the following four processes which enter the ready queue according to following time.</span></div>
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<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: Verdana, sans-serif;">CS604 Assignment Question Spring 2018</span></td></tr>
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<span style="font-family: Verdana, sans-serif;"><ol style="text-align: left;">
<li>You are required to provide the Gantt chart for non-preemptive SJF (Shortest Job First) scheduling algorithm. Calculate the waiting time for each process and average waiting time. </li>
<li>You are required to provide the Gantt chart for preemptive SJF (Shortest Job First) or STRF (Shortest Remaining Time First) scheduling algorithm. Calculate the waiting time for each process and average waiting time. </li>
<li>From the above calculations, you have to mention the name of scheduling algorithm which performs better in term of average waiting time.</li>
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<span style="font-family: "verdana" , sans-serif;">CS604 Assignment No 2 Solution Spring 2018</span></h3>
<span style="font-family: "verdana" , sans-serif;">You can see the Sample Preview of <u>CS604 Assignment No 2 Solution</u> provided by (<a href="https://virtualstudysolutions.blogspot.com/">Virtual Study Solutions</a>) below. Click on Download Button to Download Solution File in Your PC. Please Share it with your friends. You can also like our Facebook Page or Subscribe Us below for Updates.</span><br />
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<span style="font-family: Verdana, sans-serif;">CS604 Assignment Solution Sample Preview</span></h4>
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<span style="font-family: "verdana" , sans-serif;">Solution File </span><span style="font-family: "verdana" , sans-serif;">Sample</span><span style="font-family: "verdana" , sans-serif;"> </span><span style="font-family: "verdana" , sans-serif;">Page Preview will be added Soon with Solution File.</span><br />
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<span style="font-family: "verdana" , sans-serif;">CS604 Assignment Solution Download Link</span></h4>
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CS604 Assignment No 2 Solution Spring 2018

CS604 Assignment No 2 Spring 2018 Dear VU Students, Here you can read or Download CS604 - Operating-Systems Assignment No 2 Solution a...

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CS604 Assignment No 1 Solution Spring 2018

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<span style="font-family: "verdana" , sans-serif;"><b>Sample Screen shot for Login Screen:</b></span><br />
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<span style="font-family: "verdana" , sans-serif;">How to Install Required Software - Helping Guidline</span></span></h4>
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Following are the guidelines and helping material including required software and their installations:</span><b style="font-family: Verdana, sans-serif;">Step No 1 - </b><span style="font-family: "verdana" , sans-serif;"><b>How to Download and Install Virtual Box :</b></span></div>
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<span style="font-family: "verdana" , sans-serif;"><b><br /></b>To install the Linux first you have to install Virtual Box visualization software in your Computer system.<br /><br />Follow the tutorial to download Virtual Box form the following link:<br /><br /><a href="https://vulms.vu.edu.pk/Courses/CS604/Downloads/CS604-VirtualBox.mp4">https://vulms.vu.edu.pk/Courses/CS604/Downloads/CS604-VirtualBox.mp4</a><br /><br />(You can use VMware as well.)<br /><br /><b>Step No 2 -How to Download and Install Ubuntu Linux:</b><br /><br />Download Ubuntu Linux from the following link;<br /><br /><a href="http://de.releases.ubuntu.com/16.10/ubuntu-16.10-desktop-i386.iso">http://de.releases.ubuntu.com/16.10/ubuntu-16.10-desktop-i386.iso</a><br /><br />Follow these tutorials to install Ubuntu Linux in Virtual Box;</span><br />
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<li><a href="https://vulms.vu.edu.pk/Courses/CS604/Downloads/CS604-Virtual%20Machine.mp4">https://vulms.vu.edu.pk/Courses/CS604/Downloads/CS604-Virtual%20Machine.mp4</a></li>
<li><a href="https://www.lifewire.com/run-ubuntu-within-windows-virtualbox-2202098">https://www.lifewire.com/run-ubuntu-within-windows-virtualbox-2202098</a></li>
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<span style="font-family: "verdana" , sans-serif;">CS604 Assignment Part - 2</span></h3>
<span style="font-family: "verdana" , sans-serif;"><b>Part 2: </b><u>Problem Statement</u><br /><br />As you know there are many structures of Operating system containing (but not limited to); simple, layered, micro-kernels,virtual machines etc. You are required to differentiate their characteristics by filling the following table.</span></div>
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<b><span style="font-size: 11.0pt; line-height: 150%;"><span style="font-family: "verdana" , sans-serif;">Simple Structure<o:p></o:p></span></span></b></div>
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<b><span style="font-size: 11.0pt; line-height: 150%;"><span style="font-family: "verdana" , sans-serif;">Layered Structure<o:p></o:p></span></span></b></div>
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<span style="font-size: 14.6667px;"><b><span style="font-family: "verdana" , sans-serif;">Micro kernel</span></b></span></div>
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<b><span style="font-size: 11.0pt; line-height: 150%;"><span style="font-family: "verdana" , sans-serif;">Virtual Machine<o:p></o:p></span></span></b></div>
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<b><span style="font-size: 11.0pt; line-height: 150%;"><span style="font-family: "verdana" , sans-serif;">Alternate name<o:p></o:p></span></span></b></div>
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<b><span style="font-size: 11.0pt; line-height: 150%;"><span style="font-family: "verdana" , sans-serif;">Dual Mode<o:p></o:p></span></span></b></div>
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<b><span style="font-size: 11.0pt; line-height: 150%;"><span style="font-family: "verdana" , sans-serif;">Developed for<o:p></o:p></span></span></b></div>
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<b><span style="font-size: 11.0pt; line-height: 150%;"><span style="font-family: "verdana" , sans-serif;">Advantages<o:p></o:p></span></span></b></div>
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<b><span style="font-size: 11.0pt; line-height: 150%;"><span style="font-family: "verdana" , sans-serif;">Disadvantages<o:p></o:p></span></span></b></div>
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<b><span style="font-size: 11.0pt; line-height: 150%;"><span style="font-family: "verdana" , sans-serif;">Example(s)<o:p></o:p></span></span></b></div>
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<span style="font-family: "verdana" , sans-serif;">CS604 </span>Assignment Submission Rules:</span></h4>
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Please Note: File name other than your Student ID will not get marks.You are required to upload only Microsoft Word file that contains required screenshots for login and solution of Q.No.2. File other than Microsoft Word will not be accepted.</span></div>
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<span style="font-family: "verdana" , sans-serif;">CS604 Assignment No 1 Solution Spring 2018</span></h3>
<span style="font-family: "verdana" , sans-serif;">You can see the Sample Preview of <u>CS604 Assignment No 1 Solution</u> provided by (<a href="https://virtualstudysolutions.blogspot.com/">Virtual Study Solutions</a>) below. Click on Download Button to Download Solution File in Your PC. Please Share it with your friends. You can also like our Facebook Page or Subscribe Us below for Updates.</span></div>
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CS604 Assignment No 1 Solution Spring 2018

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CS604 Assignment No 1 Solution Fall 2017

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<span style="font-family: "verdana" , sans-serif;">CS604 Assignment No 1 Fall 2017</span></h3>
<span style="font-family: "verdana" , sans-serif;">Dear Students, CS604 - <b>Operating Systems</b> Assignment Solution has been added. Here you can read or Download <b>CS604 Assignment No 1 Solution</b> and Discussion of Semester <b>Fall 2017</b>. Assignment Due Date is 13 November, 2017. T</span><span style="font-family: "verdana" , sans-serif;">otal Marks are 20. We are here to facilitate your learning and we do not appreciate the idea of copying or replicating solutions. </span><span style="font-family: "verdana" , sans-serif;">Previously we shared <a href="https://virtualstudysolutions.blogspot.com/2017/04/cs604-assignment-no-1-spring-2017.html">CS604 Assignment No 1 Spring 2017</a>.</span><br />
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<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhi3ddtHNwda2TryMhzbVW_ftzyDaJP_PILL35SWs-W8sK7k_PPPD7zIfEliPrEMd3G4rrwgB40BV1hhGOrbKNIWqrUN4fi61-f3vyT6mfOZ4_tBBPW8uqEHdo57nTixnBFIFUflbIJ0l4/s1600/CS604+Assignment+No+1+Solution+fall+2017.png" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img alt="CS604 Assignment No 1 Solution Fall 2017" border="0" data-original-height="669" data-original-width="944" height="226" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhi3ddtHNwda2TryMhzbVW_ftzyDaJP_PILL35SWs-W8sK7k_PPPD7zIfEliPrEMd3G4rrwgB40BV1hhGOrbKNIWqrUN4fi61-f3vyT6mfOZ4_tBBPW8uqEHdo57nTixnBFIFUflbIJ0l4/s320/CS604+Assignment+No+1+Solution+fall+2017.png" title="CS604 Assignment No 1 Solution Fall 2017" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: "verdana" , sans-serif;">CS604 Assignment No 1 Solution Fall 2017</span></td></tr>
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<h3 style="text-align: left;">
<span style="font-family: "verdana" , sans-serif;">CS604 Assignment Instructions:</span></h3>
<span style="font-family: "verdana" , sans-serif;">Please read the following instructions carefully before submitting assignment:</span><br />
<ul style="text-align: left;"><span style="font-family: "verdana" , sans-serif;">
<li>You should submit your assignment before or on due date on VULMS.</li>
<li>Your assignment should be your own work in your own words. It should not be copied from Internet, handouts or books.</li>
<li>Assignment sent via Email will not be replied and accepted.</li>
<li>If the submitted assignment does not open or file is corrupt, it will not be marked and hence awarded zero marks.</li>
</span></ul>
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<span style="font-family: "verdana" , sans-serif;">CS604 Assignment Objectives:</span></h3>
<ul style="text-align: left;"><span style="font-family: "verdana" , sans-serif;">
<li>To know about how to create processes and terminate processes in Linux.</li>
<li>To learn how to use inter process communication tools.</li>
<li>To learn how to write, compile and execute basic program in C using gcc.</li>
</span></ul>
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<span style="font-family: "verdana" , sans-serif;">CS604 Assignment Question </span></h3>
<span style="font-family: "verdana" , sans-serif;"><b>Problem Statement:</b> [</span><span style="font-family: "verdana" , sans-serif;">Marks 20 ]</span><span style="font-family: "verdana" , sans-serif;"><br />You are required to write a simple C language program to: </span><br />
<ul style="text-align: left;"><span style="font-family: "verdana" , sans-serif;">
<li>Create a process using fork call </li>
<li>Get and print status information of the running processes </li>
<li>Use pipe call for inter-process communication between processes </li>
<li>Terminate process </li>
<li>Compile & run C program on Linux Operating system. </li>
</span></ul>
<span style="font-family: "verdana" , sans-serif;">
<b>Detailed Description: </b><br />In the main() function, first of all you will establish a channel for processes to communicate through pipe system call. After successful creation of pipe, you will create child process through fork() system call. <br /><br />In the child process, you will have to display your own student Id through the pipe or channel established between processes. In the parent process, you will have to display your own student name through the pipe or channel established between processes. </span><br />
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<span style="font-family: "verdana" , sans-serif;"><br />You will also print the status information of Parent and Child process by using user-defined function <b>printInfo()</b>. The status information includes <b>Process Id</b> and <b>Parent Id</b> in case of Child process and <b>Process ID</b> and <b>Child Id</b> in case of <b>Parent process</b>.<br /><br /><b>Compilation & Execution of Program: </b><br />You will compile your file with your student ID. For example, if your student ID is BC123456789 then you will compile the code according to following screenshot. <br /><br /><b><span style="color: red;">Please Note:</span></b>  File name other than your Student ID will not get marks. <br /><br />You will write code and paste following two screenshots in word file. <br /><br /><b>1) </b>     You will take screenshot of compiling command that you will issue. <br /><br /><b>2)</b>      Then you will run your executable and take its screenshot. </span><br />
<h4 style="text-align: left;">
<span style="font-family: "verdana" , sans-serif;">Sample Output for program </span></h4>
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<tr><td><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnssHu-iQ2Kc_rvBXAJQZL8zQcD-kD8VTQNNWlWEjrn6s7uPKuC1TeO42hjXQkXmCZEynBIu0n9LfQ4bvbvksuIAMTw4lCM102TVYenp6H_lIXlddnvXCqC7l4t9VaFVKNp0PuFBHQCtk/s1600/CS604+Assignment+no+1+Question+Fall+2017.PNG" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img alt="CS604 Assignment No 1 Sample output of Program" border="0" data-original-height="402" data-original-width="637" height="402" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnssHu-iQ2Kc_rvBXAJQZL8zQcD-kD8VTQNNWlWEjrn6s7uPKuC1TeO42hjXQkXmCZEynBIu0n9LfQ4bvbvksuIAMTw4lCM102TVYenp6H_lIXlddnvXCqC7l4t9VaFVKNp0PuFBHQCtk/s640/CS604+Assignment+no+1+Question+Fall+2017.PNG" title="CS604 Assignment No 1 Sample output of Program" width="640" /></a></td></tr>
<tr><td class="tr-caption" style="font-size: 12.8px;"><span style="font-family: "verdana" , sans-serif;">CS604 Assignment No 1 Sample output of Program</span></td></tr>
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<span style="font-family: "verdana" , sans-serif;">Tools to Solve CS604 Assignment</span></h3>
<span style="font-family: "verdana" , sans-serif;"><img src="file:///C:/Users/WOLFPA~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.jpg" /><br />To solve the assignment you have to install Linux on your system. To install the Linux first you have to install virtual Box in your system. <br /><br />Follow the tutorial to download Virtual Box form the following link: <br /><br /><a href="https://vulms.vu.edu.pk/Courses/CS604/Downloads/CS604-VirtualBox.mp4">https://vulms.vu.edu.pk/Courses/CS604/Downloads/CS604-VirtualBox.mp4</a> <br /><br />Then download Ubuntu Linux from the following link <br /><br /><a href="http://de.releases.ubuntu.com/16.10/ubuntu-16.10-desktop-i386.iso">http://de.releases.ubuntu.com/16.10/ubuntu-16.10-desktop-i386.iso</a> <br /><br />Then follow these tutorials to install Ubuntu Linux in Virtual Box <br /><br />1 - <a href="https://vulms.vu.edu.pk/Courses/CS604/Downloads/CS604-Virtual%20Machine.mp4">https://vulms.vu.edu.pk/Courses/CS604/Downloads/CS604-Virtual%20Machine.mp4</a> <br /><br />2 - <a href="https://www.lifewire.com/run-ubuntu-within-windows-virtualbox-2202098">https://www.lifewire.com/run-ubuntu-within-windows-virtualbox-2202098</a> <br /><br /><br /><b><span style="color: red;">Please Note: </span></b>You have to send only Word file which contains C code and screenshots of output.  File other than Word file will not be accepted. </span><br />
<h4 style="text-align: left;">
<span style="font-family: "verdana" , sans-serif;">  CS604 Assignment No 1 Solution Fall 2017</span></h4>
<span style="font-family: "verdana" , sans-serif;">You can read and Download Assignment Solution idea below:</span></div>
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<span style="font-family: "verdana" , sans-serif;">CS604 Assignment Solution Idea</span></h4>
<div style="background: #ffffff; border-width: 0.1em 0.1em 0.1em 0.8em; border: solid gray; overflow: auto; padding: 0.2em 0.6em; width: auto;">
<pre style="line-height: 125%; margin: 0;"><span style="font-family: "verdana" , sans-serif;"><span style="color: #557799;">#include <stdio.h></span>
<span style="color: #557799;">#include <sys/types.h></span>
<span style="color: #333399; font-weight: bold;">int</span> <span style="color: #0066bb; font-weight: bold;">main</span>()
{
<span style="color: #333399; font-weight: bold;">int</span> virtualstudysolutions[<span style="color: #0000dd; font-weight: bold;">2</span>];
<span style="color: #333399; font-weight: bold;">pid_t</span> pid;
pipe(virtualstudysolutions);<span style="color: #888888;">// creating pipe</span>
pid<span style="color: #333333;">=</span>fork(); <span style="color: #888888;">// child process</span>
<span style="color: #008800; font-weight: bold;">if</span>(pid<span style="color: #333333;">==</span><span style="color: #0000dd; font-weight: bold;">0</span>){
printf(<span style="background-color: #fff0f0;">"Student ID: VirtualStudySolutions123</span><span style="background-color: #fff0f0; color: #666666; font-weight: bold;">\n</span><span style="background-color: #fff0f0;">"</span>);
printinfo(<span style="background-color: #fff0f0;">"child Process"</span>);
printf(<span style="background-color: #fff0f0;">"Student Name: Virtual Study Solutions<span style="color: #666666; font-weight: bold;">\n</span><span style="background-color: #fff0f0;">"</span><span style="background-color: white;">);</span></span>close(virtualstudysolutions[<span style="color: #0000dd; font-weight: bold;">0</span>]); <span style="color: #888888;">// Termenating the child process.</span>
}
<span style="color: #008800; font-weight: bold;">else</span> {
printinfo(<span style="background-color: #fff0f0;">"Parent Process"</span>);
} 
}
<span style="color: #333399; font-weight: bold;">void</span> <span style="color: #0066bb; font-weight: bold;">printinfo</span>(<span style="color: #333399; font-weight: bold;">char</span> pname[])
{

printf(<span style="background-color: #fff0f0;">"Process name: %s</span><span style="background-color: #fff0f0; color: #666666; font-weight: bold;">\n</span><span style="background-color: #fff0f0;">"</span>,pname);
printf(<span style="background-color: #fff0f0;">"My process ID : %d</span><span style="background-color: #fff0f0; color: #666666; font-weight: bold;">\n</span><span style="background-color: #fff0f0;">"</span>, getpid());
printf(<span style="background-color: #fff0f0;">"My parent's ID: %d</span><span style="background-color: #fff0f0; color: #666666; font-weight: bold;">\n</span><span style="background-color: #fff0f0;">"</span>, getppid());

}</span></pre>
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CS604 Assignment No 1 Solution Fall 2017

CS604 Assignment No 1 Fall 2017 Dear Students, CS604 - Operating Systems Assignment Solution has been added. Here you can read or Downl...

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CS604 Assignment No 1 Spring 2017

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<span style="font-family: "verdana" , sans-serif;">CS604 Assignment No 1 Spring 2017</span></h3>
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<span style="font-family: "verdana" , sans-serif;">Here we have complete <b>CS604</b> - Operating System <b>Assignment No 01</b> Spring 2017 <b>Solution and Discussion</b>. CS604 Assignment Due Date: 01/05/2017.</span><br />
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgV51qrTVTCnxTvaQaDX-YTTJBZ2TyKO_7ZcU3jfI8e0_uQ0FIt12K02KQRy7Sz3W8piU1g6VyQcDzLgUohK0SEMwbYXv01057Xm0YyTz2tXrosSIrGMKFvB9eIhvtyODiHo9kCOIdEQfc/s1600/CS604+Assignment+no+1+spring+2017.png" imageanchor="1" style="margin-left: auto; margin-right: auto; text-align: center;"><img alt="CS604 Assignment No 1 Spring 2017 - Solution and Discussion" border="0" height="274" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgV51qrTVTCnxTvaQaDX-YTTJBZ2TyKO_7ZcU3jfI8e0_uQ0FIt12K02KQRy7Sz3W8piU1g6VyQcDzLgUohK0SEMwbYXv01057Xm0YyTz2tXrosSIrGMKFvB9eIhvtyODiHo9kCOIdEQfc/s640/CS604+Assignment+no+1+spring+2017.png" title="CS604 Assignment No 1 Spring 2017 - Solution and Discussion" width="640" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: "verdana" , sans-serif; font-size: small;">CS604 Assignment No 1 Spring 2017 - Solution and Discussion</span></td></tr>
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<span style="font-family: "verdana" , sans-serif;"></span><span style="font-family: "verdana" , sans-serif;">You Can Also CS604 Mid Term Papers, </span><span style="font-family: "verdana" , sans-serif;">CS604 </span><span style="font-family: "verdana" , sans-serif;">Short Notes, </span><span style="font-family: "verdana" , sans-serif;">CS604 </span><span style="font-family: "verdana" , sans-serif;">Assignment Solutions, Lecture Wise Questions Answers Files, </span><span style="font-family: "verdana" , sans-serif;">CS604 </span><span style="font-family: "verdana" , sans-serif;">Solved MCQs, Solved Quiz , </span><span style="font-family: "verdana" , sans-serif;">CS604 Mid</span><span style="font-family: "verdana" , sans-serif;"> Term Subjective Papers , </span><span style="font-family: "verdana" , sans-serif;">CS604 Mid</span><span style="font-family: "verdana" , sans-serif;"> Term Objective Papers from Virtual Study Solutions For Preparation of Mid Term Papers.</span></div>
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<span style="font-family: "verdana" , sans-serif;"><b>Recommended :</b> <a href="http://virtualstudysolutions.blogspot.com/2017/04/cs101-short-notes-for-mid-term-from-lec-1-to-22.html">CS101 Short Notes For Mid Term From Lec 1 To 22</a></span><br />
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<span style="font-family: "verdana" , sans-serif;">CS604 Assignment Questions:</span></h3>
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<span style="font-family: "verdana" , sans-serif;">Totals Marks of CS604 Assignment No. 1 are 20 Marks. </span><span style="font-family: "verdana" , sans-serif;">CS604 Assignment Due Date: 01/05/2017</span><span style="font-family: "verdana" , sans-serif;"><br /></span><br />
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<span style="font-family: "verdana" , sans-serif;">CS604 Assignment Question No. 1: </span></h3>
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<span style="font-family: "verdana" , sans-serif;">Marks = 5<br /><br />Being an end user and an administration of any system, there are some privileges that have been given to you, suppose you are going to take the initial test as an operating system developer then specify which of the following instructions should be “Privileged” and “Non- Privileged”?<br /><br /> Instructions Name                   Privileged Or Non-Privileged<br /><br />Clear memory<br /><br />Turn off interrupts<br /><br />Issue trap instructions<br /><br />System Call<br /><br />AccessI/O Instructions<br /><br /><b>Recommended :</b> <a href="http://virtualstudysolutions.blogspot.com/2017/04/cs304-assignment-no-01-spring-2017.html">CS304 Assignment No 01 Spring 2017</a></span><br />
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<span style="font-family: "verdana" , sans-serif;">CS604 Assignment Question No. 2: </span></h3>
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<span style="font-family: "verdana" , sans-serif;">Marks = 5</span></div>
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<span style="font-family: "verdana" , sans-serif;">Categorize the following examples into some events that cause the kernel code to invoke in order to manage computer resources (like I/O devices, memory and storage management) and control user programs to prevent errors and improper use of a computer system. That event could be an Interrupt, signal and trap:<br /><br />1. Ahmad write a code in c language, like a=b/0.<br /><br />2. Ayesha is compiling a C program an error occurs Invalid memory access or buffer overflow.<br /><br />3. While running a program, you press .<br /><br />4. Yasir is typing Alphabets in notepad by hitting keystroke.<br /><br />5. Bilal opening a folder from desktop by double clicking mouse. <br /><br /><b>Recommended :</b> <a href="http://virtualstudysolutions.blogspot.com/2017/04/html-tags-with-examples-complete.html">HTML Tags with Examples Complete Tutorial</a></span><br />
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<span style="font-family: "verdana" , sans-serif;">CS604 Assignment Question No. 3: </span></h3>
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<span style="font-family: "verdana" , sans-serif;">Marks = 10</span></div>
<span style="font-family: "verdana" , sans-serif;"><br />Understand the below program carefully and explain each line accordingly.<br /><br />#include<br /><br />void main ( ) <br /><br />1………………… {<br /><br />2……………………….int pid, status;<br /><br />3……………………….pid = fork ( );<br /><br />4……………………….if (pid = = -1)<br /><br />5……………………… {<br /><br />6……………………………printf(“fork failed\n”);<br /><br />7……………………………exit(1) ;<br /><br />8……………………….}<br /><br />9………………………if (pid = = 0)<br /><br />10……………………… {<br /><br />11………………………... printf( “Child here ! \n”);<br /><br />12………………………... exit (0);<br /><br />13……………………….}<br /><br />14……………………….else<br /><br />15……………………… {<br /><br />16………………………… wait (&status);<br /><br />17………………………… printf(“well done kid !\n”);<br /><br />18………………………… exit (0);<br /><br />19……………………….}<br /><br />20………………….}</span></div>
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<span style="font-family: "verdana" , sans-serif;">CS604 Assignment No 01 Solution:</span></h4>
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<span style="font-family: "verdana" , sans-serif;">The Solution idea of Cs604 Assignment no 1 is Suggested by Shahid Ali Bhatti . Give your remarks in Comments below:</span></div>
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<span style="font-family: "verdana" , sans-serif;">CS604 Assignment Question no 1 Solution Idea</span></h4>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjP8auATbTgREPXGG4AoAiNCSBmTSCwflUfjy56xIkSwrhjbCe8_uKwmcq1q6rHVONnAi3gQ1NcY-tn1K1VUzzm5khhF0yw9-9UvadExZhE0eiprxOnJ7PykkuCqeHGaKCZODnH_Wlyl-A/s1600/cs604+assignment+no+1+%252C+question+no+2+solution+spring+2017.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img alt="CS604 Assignment Question no 1 Solution Idea" border="0" height="121" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjP8auATbTgREPXGG4AoAiNCSBmTSCwflUfjy56xIkSwrhjbCe8_uKwmcq1q6rHVONnAi3gQ1NcY-tn1K1VUzzm5khhF0yw9-9UvadExZhE0eiprxOnJ7PykkuCqeHGaKCZODnH_Wlyl-A/s640/cs604+assignment+no+1+%252C+question+no+2+solution+spring+2017.jpg" title="CS604 Assignment Question no 1 Solution Idea" width="640" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: "verdana" , sans-serif;">CS604 Assignment Question no 1 Solution Idea</span></td></tr>
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<span style="font-family: Verdana, sans-serif;">CS604 Assignment Question No 1 Solution:</span></h4>
<span style="font-family: Verdana, sans-serif;">The following operations need to be privileged: clear memory, turn off interrupts, access I/O Instructions. The rest can be performed in user mode.</span></div>
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</td><td il_cc1="1" il_cc2="1" style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;" valign="top" width="240"><div style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin-bottom: 5px; margin-top: 5px; outline: 0px; padding: 0px; vertical-align: baseline;">
<b style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><span style="font-family: Verdana, sans-serif;">Name Privileged</span></b></div>
</td><td il_cc1="1" il_cc2="1" style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;" valign="top" width="240"><div style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin-bottom: 5px; margin-top: 5px; outline: 0px; padding: 0px; vertical-align: baseline;">
<b style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><span style="font-family: Verdana, sans-serif;">Non-Privileged</span></b></div>
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<span style="font-family: Verdana, sans-serif;">Clear memory  </span></div>
</td><td il_cc1="1" il_cc2="1" style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;" valign="top" width="240"><div style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin-bottom: 5px; margin-top: 5px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="font-family: Verdana, sans-serif;">Clear Memory</span></div>
</td><td il_cc1="1" il_cc2="1" style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;" valign="top" width="240"><div style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin-bottom: 5px; margin-top: 5px; outline: 0px; padding: 0px; vertical-align: baseline;">
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<span style="font-family: Verdana, sans-serif;">Turn off interrupts</span></div>
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<span style="font-family: Verdana, sans-serif;">Turn off Interrupts</span></div>
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<span style="font-family: Verdana, sans-serif;">Issue trap instructions</span></div>
</td><td il_cc1="1" il_cc2="1" style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;" valign="top" width="240"><div style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin-bottom: 5px; margin-top: 5px; outline: 0px; padding: 0px; vertical-align: baseline;">
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<span style="font-family: Verdana, sans-serif;">issue trap instructions</span></div>
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<span style="font-family: Verdana, sans-serif;">System Call </span></div>
</td><td il_cc1="1" il_cc2="1" style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;" valign="top" width="240"><div style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin-bottom: 5px; margin-top: 5px; outline: 0px; padding: 0px; vertical-align: baseline;">
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<span style="font-family: Verdana, sans-serif;">System Call </span></div>
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<span style="font-family: Verdana, sans-serif;">Access I/O Instructions  </span></div>
</td><td il_cc1="1" il_cc2="1" style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;" valign="top" width="240"><div style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin-bottom: 5px; margin-top: 5px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="font-family: Verdana, sans-serif;">Access I/O call</span></div>
</td><td il_cc1="1" il_cc2="1" style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;" valign="top" width="240"><div style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border: 0px; margin-bottom: 5px; margin-top: 5px; outline: 0px; padding: 0px; vertical-align: baseline;">
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<span style="font-family: Verdana, sans-serif;"><br /><b>Turn off interrupts : </b>Privileged so that a process cannot monopolize the CPU</span></div>
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 <span style="font-family: "verdana" , sans-serif;">CS604 Assignment Question no 2 Solution </span></h4>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTeAZmlRYzCDCU2XaH4ukN5TfMHA012jbd3bfFx1FEuxxb4pq5aZiUMQH8e4GegnLV0SGsE-hifCCIJompKIMSbJBg65XZuc2jgGn2rcY5iytym_fENZ2wxbFdsJSt9SZl3Qa9YWkEBwM/s1600/cs604+assignment+no+1+%252C+question+no+1+solution+spring+2017.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img alt="CS604 Assignment Question no 2 Solution Idea" border="0" height="165" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTeAZmlRYzCDCU2XaH4ukN5TfMHA012jbd3bfFx1FEuxxb4pq5aZiUMQH8e4GegnLV0SGsE-hifCCIJompKIMSbJBg65XZuc2jgGn2rcY5iytym_fENZ2wxbFdsJSt9SZl3Qa9YWkEBwM/s640/cs604+assignment+no+1+%252C+question+no+1+solution+spring+2017.jpg" title="CS604 Assignment Question no 2 Solution Idea" width="640" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-family: "verdana" , sans-serif;">CS604 Assignment Question no 2 Solution Idea</span></td></tr>
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<span style="font-family: Verdana, sans-serif;">CS604 Assignment Question NO 3 Solution</span></h4>
<span style="font-family: Verdana, sans-serif;"><br />#include <stdio.h> void main ( ) <br /><br />1………………… {<br /><br /><b>Starting  the main</b><br /><br /><br />2……………………….int pid, status;<br /><br /><b>Two integers declared</b><br /><br /><br />3……………………….pid = fork ( );<br /><br /><b>Fork function is called, after processing returned data saved into pid</b><br /><br />4……………………….if (pid = = -1)<br /><br /><b>If condition if pid equal to -1</b><br /><br /><br />5……………………… {<br /><br /><b> Entering into if condition</b><br /><br /><br />6……………………………printf(“fork failed\n”);<br /><br /><b>Will be printed fork failed</b><br /><br />7……………………………exit(1) ;<br /><br /><b>Terminate program</b><br /><br /><br />8……………………….}<br /><br /><b>End of if</b><br /><br /><br />9………………………if (pid = = 0)<br /><br /><b>Starting if condition, if pid equal to 0</b><br /><br /><br />10……………………… {<br /><br /><b> Entering into if condition</b></span></div>
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<span style="font-family: Verdana, sans-serif;"><b><br /></b><br />11………………………... printf( “Child here ! \n”);<br /><br /><b>Will be print on screen child here!</b><br /><br />12………………………... exit (0);<br /><br /><b>Terminate program</b><br /><br /><br />13……………………….}<br /><br /><b>End of if statement</b><br /><br /><br />14……………………….else<br /><br /><b>Else start</b><br /><br /><br />15……………………… {<br /><br /><b> Entering into else statement</b><br /><br /><br />16………………………… wait (&status);<br /><br /><b> Wait function is called and address status is passed as a parameter</b><br /><br /><br />17………………………… printf(“well done kid !\n”);<br /><br /><b>Will be printed well done kid!</b><br /><br /><br />18………………………… exit (0);<br /><br /><b>Terminate program</b><br /><br />19……………………….}<br /><br /><b> End of else statement</b><br /><br />20………………….}<br /><b>End of main</b></span></div>
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<span style="font-family: Verdana, sans-serif;"><b><br /></b></span><span style="font-family: "verdana" , sans-serif;">Recommended :</span><b style="font-family: Verdana, sans-serif;"> </b><a href="http://virtualstudysolutions.blogspot.com/2017/04/what-is-network-topology-and-its-types.html" style="font-family: Verdana, sans-serif;">What is Network Topology and its Types - Complete Tutorial</a><span style="font-family: "verdana" , sans-serif;"><br /><br />If You liked This Post Please Share it with Your Fellow Virtual University Students. Sharing is Caring. Thank You.</span></div>
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