OSY Operating Systems 315319 Manual Answer

In this post, we shared the OSY operating systems manual answer key for computer fifth-semester diploma students.

The primary purpose of this manual solution is to assist diploma students in completing their practical work efficiently, thereby allowing them more time to prepare for upcoming examinations.

OSY Operating Systems 315319 Manual Answer

• Practical No. 1: System call commands in Linux such as fork(), exec(), getpid, pipe, exit, open, close, stat,and uname.

Conclusion: System calls are the essential interface that allows user programs to request fundamental services—such as creating processes, accessing files, and communicating—directly from the operating system’s kernel.

• Practical No. 2: Process related commands in Linux-top, ps, kill, wait, sleep, nice, renice, bg, fg.

• Practical No. 3: a. Commands for Sending Messages to Logged-In Use who,cat,wall,write, mesg. b. List Processes Attached to a Shared Memory Segment: ipcs.

• Practical No. 4: Write C/Python program to calculate average waiting time and turnaround time of n processes with First Come First Serve (FCFS) CPU scheduling algorithm.

• Practical No. 5: Write C/Python program to calculate average waiting time and Turnaround Time of n processes with Shortest Job First(SJF) CPU scheduling algorithm.

• Practical No. 6: Write C/Python program to calculate average waiting time and Turnaround Time of n processes with Priority CPU scheduling algorithm.

• Practical No. 7: Write a C/ C/Python program to calculate the average waiting time and Turnaround Time of n processes with the Round Robin (RR) CPU scheduling algorithm.

• Practical No. 8: Write a C/Python program to implement Banker‘s Algorithm.

• Practical No. 9: Basic memory management commands – df, free, vmstat, /proc/meminfo, htop

• Practical No. 10: Write a C/Python program on First In First Out (FIFO) Page Replacement algorithm.

• Practical No. 11: Write a C/Python program on Least Recently Used (LRU) Page Replacement algorithm.

• Practical No. 12: Write a C/Python program on sequential file allocation method.

Conclusion

Refer to all the above practical solutions of the operating systems manual to complete your practical submission as soon as possible and start your exam preparations early.

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