how many internal commands is there in UNIX?
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What do chgrp command do?
What is command substitution?
What is file system in unix??
What command will bring user back to their home directory in UNIX?
distinguish between paging and swapping?
Why is grep called grep?
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?
How to set sticky bit, or it have any seperate directory to create sticky bit in sunfir servers. Please help me , i don't no the exact answer?
What is grep r?
How to delete a directory containing files and folders?
Give Command that will change the name of a directly from paypal to eBay
How can i know my Filesystem and its current usage in my prod UNIX system?