What is in grep command?
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What are the dos commands?
Why is grep called grep?
what is the difference between SED and GREP ? Which one is more better and why?
Is ‘du’ a command? If so, what is its use?
What does sed command do in unix?
What is the use of egrep command in unix?
Is there any command in Unix, other than:ls, to list the files in a directory? The answer will be highly appreciated...
how to sort the content of the file based on numeric values
What are reported commands?
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?
How would you change all occurrences of a value using VI?
what are processor execution levels and priorities?