What do chgrp command do?
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what is the use of "fg" command ?
How can you copy files or directories?
What does grep v do?
What are grep patterns?
What is difference between grep and find command in unix?
What does #!/ Bin sh do?
Is there any command in Unix, other than:ls, to list the files in a directory? The answer will be highly appreciated...
What is rmdir command?
What do know about tee command and its usage?
what will this do $cat > file.c ?(file.c is a file in current directory)
What is ‘ps’ command for?
what is the difference between commmands cmp and diff?