What is awk command used for?

664

Enlist some filename manipulation commands in unix.

601

Can you explain a little bit about command substitution?

677

Which command should you use to find the remaining disk space in unix server?

792

Write a command to kill the last background job?

673

Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

726

What is the difference between cat and more command?

731

What is the use of the command 'ls -x chapter[1-5]' ?

732

What does the command '$ls | wc –l > file1' do?

752

What difference between cmp and diff commands?

785

Which command is used to delete all files in the current directory and all its sub-directories?

742

Which command is used to kill the last background job?

854

What is time_t?

664

What does find command return in unix?

663

What is the use of finger command?

658