What does awk stand for?
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How to get a particular string as your prompt ? Give syntax of that command?
Which command is used to find whether the system is 32 bit or 64 bit?
What do chmod, chown, chgrp commands do?
What is unix command?
Assume the following files are in the working directory prompt> ls -l tasks -rw-r--r-- 1 alex student 1423 Feb 21 14:01 tasks What command can Alex use to give everyone permission to write to the file? What will the ls -l command display if he does so?
What is command substitution?
What is grep r?
How do you execute a UNIX command in the background?
what is shell?
What is the different between UNIX command and UNIX shell script?
What is clustering in HP and how it's work?
boot process?