Is ‘du’ a command? If so, what is its use?
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What is the comma to display different lines that are found when compare two files?
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?
what will this do $cat > file.c ?(file.c is a file in current directory)
How to remove a crontab file?
What is $0 bash?
How do you remove a crontab file?
what these two commands prints "echo test","cat test"?
What does awk stand for?
what does a process mean?
Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?
How do I run a whois command?
what is the difference between commmands cmp and diff?