Commands using lspci (11)

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backup your history
simple and easy backup your history with timestamp

list files recursively by size

Find out which process uses an old lib and needs a restart after a system update
Shows the full output of lsof.

add all files not under version control to repository
With the force options the same results can be achieved

Do a search-and-replace in a file after making a backup
sed already has an option for editing files in place and making backup copies of the old file. -i will edit a file in place and if you give it an argument, it will make a backup file using that string as an extension.

delete at start of each line until character
GNU grep's PCRE(Perl-compatible regular expressions).

Separates each frame of a animated gif file to a counted file, then appends the frames together into one sheet file. Useful for making sprite sheets for games.
requires imagemagick

List processes playing sound
When trying to play a sound you may sometimes get an error saying that your sound card is already used, but not by what process. This will list all processes playing sound, useful to kill processes that you no longer need but that keep using your sound card.

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Multiplication table
The multiplication table for math study


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