What are grep patterns?
What is use of sed command?
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what is the difference between relative path and absolute path?
What is the command to find hidden files in the current directory?
How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?
What does the command ' $who | sort –logfile > newfile' do?
How do you know about running processes of a particular user?
what is the difference between "cron" command and "at" command?
How can i know my Filesystem and its current usage in my prod UNIX system?
Which unix command to make a new directory?
How to create hardlinks and softlinks on files?
how to remotely move a file ??? that mean how to move a file one machine to another machine ???
what is the command to find out which shell you are running?