- Apple DOS 3.3 The January 1983 System Master: Applesoft BASIC and DOS commands.
- PDP-7 UNIX PDP-7 UNIX, Thompson and Ritchie, from the pdp7-unix restoration: booted off an emulated RB09 disk. Log in as ken, password ken.
- ProDOS 8 ProDOS 8 2.0.3 with BASIC.SYSTEM.