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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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Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

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

Purge configuration files of removed packages on debian based systems
Purge all configuration files of removed packages

Resolution of a image
You can use the -format switch to get the size of the image. Replace "logo:" with your image.

Watch Network Service Activity in Real-time

View internet connection activity in a browser
In addition to generating the current connections, it also opens then in your default browser on gnome.

Find the package that installed a command

camelcase to underscore
Convert a camelCase string into snake_case. To complement senorpedro's command.

Write on the console without being registered
http://www.linux-party.com/index.php/8157-escribir-en-la-consola-linux-sin-que-quede-registrado-en-el-history

List Threads by Pid along with Thread Start Time
This command will list all threads started by a particular pid along with the start time of each thread. This is very valuable when diagnosing thread leaks.


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