Description

Program 2: Explain the following commands: chmod, umask, df, du, touch, vi, cp, mv etc.

Program 3: Write a Shell-program to backup a given directory to another directory

Program 4: Write a Shell-program to perform (+, -, *, /) operator on the variables take by read command.

Program 5: Write a shell-program to print a table of a specified number take by command line argument method. (like 2*1=2 ……….2*10=20)

Program 6: Write a shell-program to print a gross salary of an employee ( if BS(basic salary) < 1500 then
DA= 20% of BS; HRA= 30% of BS else sal >=1500 DA= 2000 and HRA=40% of BS)

Program 7: Write a shell-program to print whether the number is prime or not

Program 8: Write a shell-program to make nested directories (dir1 dir2 dir3) cmdline input

Program 9: Write a shell-program to list out all the files and directories separately.

Program 10: Write a c program to count nos of line, space and character in a file using c function.

Program 11: Write a c program to count nos of line, space and character in a file by make system calls.

Program 12: Write a c program for First come first serve scheduling algorithm and calculate average waiting time and turn around time.

Program 13: Write a c program for Non-preemptive SJF scheduling algorithm and calculate average waiting time and turn around time.

Program 14: Write a c program for preemptive SJF scheduling algorithm and calculate average waiting time and turn around time.

Program 15: Write a c program for Round Robin scheduling algorithm and calculate average waiting time and turn around time.

Program 16: Write a c program for Priority scheduling algorithm and calculate average waiting time and turn around time.