These are the operating system practicals questions.
1.Write a program (using fork() and/or exec() commands) where parent and child execute: a) same program, same code. b) same program, different code. c) before terminating, the parent waits for the child to finish its task. 2.Write a program to report behaviour of Linux kernel including kernel version, CPU type and model. (CPU information) 3.Write a program to report behaviour of Linux kernel including information on 19 configured memory, amount of free and used memory. (memory information) 4.Write a program to print file details including owner access permissions, file access time, where file name is given as argument. 5.Write a program to copy files using system calls. 6.Write a program to implement FCFS scheduling algorithm. 7.Write a program to implement Round Robin scheduling algorithm. 8.Write a program to implement SJF scheduling algorithm. 9.Write a program to implement non-preemptive priority based scheduling algorithm. 10.Write a program to implement preemptive priority based scheduling algorithm. 11.Write a program to implement SRJF scheduling algorithm. 12.Write a program to calculate sum of n numbers using thread library. 13.Write a program to implement first-fit, best-fit and worst-fit allocation strategies.