What do chmod, chown, chgrp commands do?
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distinguish between paging and swapping?
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Give Command that will change the name of a directly from paypal to eBay
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What command is used to replace the existing string with some other?
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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Does cp command overwrite files?