Who invented grep?
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Write a command to find all of the files which have been accessed within the last 30 days.
Which RAID Levels supported by LVM?
what is the default signal kill in unix?
Can you enlist some commonly used network commands?
What do chmod command do?
What do chown command do?
distinguish between paging and swapping?
which command is used to change group?
what will be the output of ls ~/..
what do you understand by 'building block primitive'?
Which command is used to delete all files in the current directory and all its sub-directories?
what is the significance of "su" command?