What is grep and how do you use it?
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Explain command to view process running?
to list a particular line in the file
Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?
What is ‘ps’ command for?
What is the syntax of grep command and what is its use?
How to rename files and folders?
What does the “echo” command do?
What does 'mkdir' command do in UNIX?
Give a regular expression that finds two things, try to come up with regular expressions that find each individually using "egrep" command?
What does grep v grep do?
Explain the read, write, and execute permissions on a UNIX directory.
Explain the steps that a shell follows while processing a command.