Magic shortcut: ctrl + C

Remember! If something jams in the console, press ctrl + C to cancel the operation.

What is 'sudo' and 'sudo nano' in the commands?

sudo

'sudo' at the beginning of every command allows you to access the command with administrator permission. Every time you see a return: 'access denied', just get back to the command and type 'sudo' in front.

nano

'nano' is used to access the file you point. It's a way to show the system you're not trying to type strangely looking command, but want to access the file instead.

Why commands like apt-get and apt-get install install don't work?

The commands are used to download and install new software and libraries to the current TurtleOS. But in order to download, the Rover needs to be connected to the Internet. See manual:

Why commands like 'git' don't work?

By default, the Rover doesn't come with pre-installed 'git' packages. To install them:

and after that - run:

sudo apt-get install git

[Based on: https://gist.github.com/derhuerst/1b15ff4652a867391f03]