What is the use of awk command in unix?
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Differentiate cmp command from diff command.
What do chgrp command do?
use of ls command
How to copy multiple files and directories into some other directory?
29. How to display top 10 users Who | head -10 | wc –w
what is the default permission for /etc/shadow file in UNIX
what does a process mean?
The command grep first second third /usr/you/myfile a) prints lines containing the words first, second or third from the file /usr/you/myfile b) searches for lines containing the pattern first in the files second, third, and /usr/you/myfile and prints them c) searches the files /usr/you/myfiel and third for lines containing the words first or second and prints them d) replaces the word first with the word second in the files third and /usr/you/myfile e) None of the above
How can we "forked" process in UNIX? How then recognize in any of the branches we?
Write a command to kill the last background job?
What is ctrl d?
How to add content of one file into another file at the beginning