What does the “echo” command do?
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what is the use of "grep" command?
How to identify whether a file is normal file or directory?
how to change a normal file into hidden file
what does the command 'wc' do?
How does the system know where one command ends and another begins?
In vi editor how do you execute unix commands?
what is kernel?
What Is the command to change a file's creation time. means one file is created at the time 15:19 then time should br changed to 14:14
What is the comma to show the space allocation of files?
what is the cmd to display the last exit status in UNIX?
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What is the first character of the output in ls l command?