Hackernews posts about CP/M

CP/M is an early operating system developed by Digital Research for microcomputers, providing a command-line interface and basic file management capabilities.

Related: ZX Spectrum   Z80  
  1. How to Start with CP/M (www.retrotechnology.com)
  2. The History of CP/M (1980) (www.retrotechnology.com)
  3. A Short History of CP/M-86 (www.abortretry.fail)
  4. CP/M Source Code (www.cpm.z80.de)