Commands by chemila (1)

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Get http headers for an url

Fibonacci numbers with awk
recursive version, "pure" AWK

Find common groups between two users

clear the X clipboard
Clears your clipboard if xsel is installed on your machine. If your xsel is dumb, you can also use $xsel --clear --clipboard

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

view all lines without comments.

count of files from each subfolder
Find the number of files from each folder

Extract a remote tarball in the current directory without having to save it locally

Look for English words in /dev/urandom
Little faster alternative.

extract email adresses from some file (or any other pattern)
This will catch most separators in the section of the email: dot . dash - underscore _ plus + (added for gmail) ... and the basic dash '-' of host names.

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