GNU Bourne Again SHell - Bash is the shell, or command language interpreter, that will appear in the GNU operating system.
cheat - Cheat allows you to create and view interactive cheatsheets on the command-line.
Levinux - Levinux – A Tiny Version of Linux for Education
cheat.sh - The only cheat sheet you need Unified access to the best community driven documentation
GDevelop - GDevelop is an open-source game making software designed to be used by everyone.
explainshell - Match command-line arguments to their help.