What is grep in bash?
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What is grep short for?
How to display a file name which has zero bytes in size.
Write a command that will output the sorted contents of a file named in.txt and place the output in another file named out.txt, while at the same time excluding duplicate entries.
How to find and replace the below command?
What is a bash command?
Is there any command in Unix, other than:ls, to list the files in a directory? The answer will be highly appreciated...
What is the use of egrep command in unix?
What is time_t?
Explain how to use grep command to list find the records of a file containing 10 different strings?
What is ‘ps’ command for?
Explain ‘system calls’ with respect to unix commands?
what is the use of "grep" command?