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Remove all backup files in my home directory
I use this simple command for remove all backup files generated usually by editors like Vim and Emacs.

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"

Ctrl+S Ctrl+Q terminal output lock and unlock
These are simple shortcuts to pause and continue terminal output, works in most terminals and screen multiplexers like screen. You can use it to catch something if things change too fast, and scroll with Shift + PgUp PgDown. On linux console ScrollLock can also be used.

Skype conversation logs to IRC-format logs

Copy/move a bunch of files to dot files and back

Git diff last two commits
How about this one ?

Clone all repos from a user with lynx
https://wuseman.github.io/wcloner/

How long has this disk been powered on

Create a new file

List only executables installed by a debian package
I wanted to view only executables installed by a package. This seemed to work. There's got to be easier way, please share. Note: (1) Replace iptables with the package name of your interest (2) The command will trash any existing environment variable named 'lst' (3) Instead if you are interested in viewing just .ko or .so files installed by this package, then that would be easy: $ dpkg -L iptables | grep "\.[sk]o$"


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