title: QDOS
text: # QDOS
  
  QDOS may refer to:
  
  * QDOS (Qasar DOS), the Motorola 6800-based operating system of the Fairlight CMI digital sampling synthesizer series, based on the MDOS (Motorola DOS)
  * Seattle Computer Products QDOS, SCP's Quick and Dirty Operating System in 1980, later renamed to 86-DOS (predecessor of MS-DOS)
  * Sinclair QDOS, the Sinclair QL operating system written in Motorola 68000 assembly language
  * Atari QDOS, the production codename of Disk Operating System 4.0 for Atari 8-bit computers
  * Qdos Entertainment, the UK-based entertainment company who is the world's largest pantomime producer
  * Q:Dos, a recording name for trance musicians Scott Bond, Darren Hodson, John Purser, Nick Rose
  * Qdos, range of no-valve metering pumps
  