What is grep in bash?
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What is the use of awk command in unix?
What does 'mkdir' command do in UNIX?
Which RAID Levels supported by LVM?
How to know a process is a zombie or orphan process?
How does one process we can start an executable file? How to get the PID process, which we started?
How would you change all occurrences of a value using VI?
Which is the command used to find out currently executing Process in UNIX?
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?
What is the unix command to confirm a remote host is alive or not?
what is exact definition of operating system?
how to find largest file?
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distinguish between paging and swapping?