Operating System (CS604)

Assignment # 01
Fall 2021


Total marks = 15


Deadline Date: 14/12/2021


Please carefully read the following instructions before attempting the assignment.


It should be clear that your assignment would not get any credit if:

  • The assignment is submitted after the due date.
  • The submitted assignment does not open or the file is corrupt.
  • Strict action will be taken if the submitted solution is copied from any other student or the internet.


You should consult the recommended books to clarify your concepts as handouts are not sufficient.


You are supposed to submit your assignment in Doc or Docx format.

Any other formats like scan images, PDF, Zip, Rar, Ppt, and Bmp, etc will not be accepted.



The objective of this assignment is to provide hands-on experience of:

·         Fork System call

·         execlp system call



Assignment No. 1 covers 1-7 lectures. No assignment will be accepted after the due date via email in any case (whether it is the case of load shedding or internet malfunctioning etc.). Hence refrain from uploading assignments in the last hour of the deadline. It is recommended to upload the solution file at least two days before its closing date.


Assignment Submission:

You are supposed to submit your assignment in .doc or docx format. Any other formats like scan images, PDF, zip, rar, ppt and bmp etc will not be accepted.

Secondly, send the screenshot and C code of question no. 1, be pasted in the same Word file.



If you find any mistake or confusion in the assignment (Question statement), please consult with your instructor before the deadline. After the deadline, no queries will be entertained in this regard.


For any query, whatsapp


Question No. 1                                                                                                                         15 Marks      


Write the C Program in which the parent process will create the child process using the fork() system call.


Following functionality be performed in the parent and child process.

·         In parent process you have to display your name, roll no and academic program at Virtual University.


·         In the child process you have to execute the binary executable “pwd” by using execlp() system call to display the current working directory.


Following is the screenshot of your program, you have to perform the following steps in your screenshot.


·         In screenshot firstly compile your program.

·         Then run the program.

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