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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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Add "prefix" on a buch of files

Watch how many tcp connections there are per state every two seconds.
slighty shorter

determine if tcp port is open

Hide or show Desktop Icons on MacOS
Hides all Files and Folders on the MacOS Desktop. To show files and folders, type "true" instead of "false". "Finder" at the end is case sensitive, "finder" doesn’t work

vim easter egg
inside vim try: :help 42 to get the meaning of life, the universe and everything !

Email HTML content
Note, this works because smtp is running

create an uncompressed tar file of each child directory of the current working directory
First, use find to find directories exactly one level below current directory, then create a tar file using the directory as the basename.

Install pip with Proxy
Installs pip packages defining a proxy

list block devices
Shows all block devices in a tree with descruptions of what they are.

add static arp entry to default gateway, arp poison protection


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