What is grep and how do you use it?
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What is command substitution?
How do I run a bash script?
How does a user get the current date, time in UNIX?
Is it inbetween or in between?
What do chmod, chown, chgrp commands do?
how to sort the content of the file based on numeric values
Which mode is used for allowing file write,read and append mode?
Who command in unix?
in UNIX ,What is the command to view contents of a large error log file?
How to replace the exact word in vi editor?? suppose a file contains words like amaze,amazed,amazement in some of the line.But i want to replace only 'amaze' with delight but don't wanna replace amazed or amazement. thanks
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What command is used to check the current users?
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?