What do chmod, chown, chgrp commands do?
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how many internal commands is there in UNIX?
What is grep and sed command?
how will u execute a file in unix
What is the use of pipes?
what is virtual machine?
what is the use of ls -l command & what is the information it gives about user ?
boot process?
What is the difference between cat command and more command?
Differentiate cmp command from diff command.
What is the functions of zambie process?
Who invented grep?
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?