Atari XEGS in excellent condition. 800 XL compatible for Sale

Build Knoppix from sources
Is it possible to build Knoppix from source yourself and apply personal customisations? If yes, is there a HOWTO?

Atari XEGS in excellent condition. 800 XL compatible For Sale

Atari XEGS in excellent condition.

Comes with modern power supply, keyboard manual and composite cable.

Computer has been fully tested:

- Joystick ports operational

- SIO port tested

- Cartridge port works

- Keyboard works like new

Very nice and clean computer.

Documentation