What do chgrp command do?
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distinguish between paging and swapping?
What is the difference between cat and more command?
Why is grep called grep?
what is the difference between SED and GREP ? Which one is more better and why?
Enlist some filename manipulation commands in unix.
What is the use of tee command?
In UNIX, what is the command to edit contents of the file?
What is the use of the tee command?
What is command substitution?
Does cp command overwrite files?
what are the different commands used to view the contents of a file?
In vi editor how do you execute unix commands?