How do you grep recursively?
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What does touch command do in unix?
Why is shebang used?
Suppose 1000 processes are running on the system out of those if you have to show only certain process ids which command will you use?
How to remove a crontab file?
How do I use nslookup?
How do I search for a file in unix command?
How can you change the owner or group of a file?
How do I search a whole word in vim?
1-how will you display a file whose name is starting with '- '? 2-how will you add a patten at end of every line in vi editor?
Which RAID Levels supported by LVM?
which command is used to change group?
Can a process kill itself in UNIX/or in its various versions?