Command line Command line feed

Learn how to make better use of the command line, the interface preferred by many open source developers and users.

Team checklist and to dos

Whether you need something simple, like a shopping list, or complex, like a color swatch generator, PostgreSQL commands make it easy.
Penguin with green background

Know how to terminate processes and reclaim system resources with the ps, kill, and killall commands.
Old train

Check your internet and network speeds with these three open source tools.
Multi-colored and directional network computer cables

Learning to analyze network packets is a powerful skill.
Terminal command prompt on orange background

Take our poll or tell us about your favorite terminal trick. Is it a nifty productivity shortcut or a fun Easter egg?
bash logo on green background

Improve your productivity with aliases and other shortcuts for the things you forget too often.
Penguin driving a car with a yellow background

Learn how to make Linux do what you need it to do in's top 10 articles about Linux commands from 2019.
Penguins walking on the beach

Download our new cheat sheet for managing Linux users and permissions.