Are you a fan of the command line? Do you wish to test your knowledge of the terminal — the command line interface of Linux or macOS/OS X — and of the
If you answered ‘yes’ to the questions above, head your browser to Commandline Challenge and test your skills trying to solve the challenges proposed there.
Some of the possible solutions are much more convoluted than normal, but they also show a technical mastery that resembles art.
Disclaimer. It is not my fault if your productivity sinks after reading this post!