Cheat sheets

With a compose key, you're not limited to what's on your keyboard. Download the cheat sheet.

This widely used open source tool can generate documentation from your comments.

Here are five security reasons to switch to the Linux sudo command. Download our sudo cheat sheet for more tips.

Cheat sheets help you work smarter. Here are my go-to cheat sheets for open source technology.

Download the programming cheat sheet and start learning the powers of Perl.

If you're going to explore Rust this year, download our free Rust cheat sheet, so you have a quick reference for the basics.