Related:

• multician: /muhl-ti'shn/ [coined at Honeywell, ca. 1970] n.
  Competent user of {{Multics}}. Perhaps oddly, no one has ever promoted the analogous `Unician'....
• GCOS /jee'kohs/ n. A quick-and-dirty clone of System/360 DOS that emerged from GE around 1970
  originally called GECOS (the General Electric Comprehensive Operating System)....
• GCOS:: /jee'kohs/ n. A {quick-and-dirty} {clone} of System/360 DOS that emerged from GE around 1970
  originally called GECOS (the General Electric Comprehensive Operating System)....
• cycle of reincarnation: [coined by Ivan Sutherland ca.
  1970] n. Term used to refer to a well-known effect whereby function in a computing system family is migrated out to special-purpose peripheral hardware for speed, then the peripheral evolves toward more computing power as it does its job, then somebody notices that it is inefficient to support two asymmetrical processors in the architecture and folds the function back into the main CPU, at which point the cycle begins again....
• Multics /muhl'tiks/ n. [from "MULTiplexed Information and Computing Service"] An early time-sharing operating system co-designed by a consortium including MIT
  GE, and Bell Laboratories as a successor to CTSS....
• death code n. A routine whose job is to set everything in the computer -- registers, memory, flags, everything -- to zero, including that portion of memory where it is running
  its last act is to stomp on its own "store zero" instruction....
• death code: n. A routine whose job is to set everything in the computer -- registers, memory, flags, everything -- to zero, including that portion of memory where it is running
  its last act is to stomp on its own "store zero" instruction....
• Multics:: /muhl'tiks/ n. [from "MULTiplexed Information and Computing Service"] An early (late 1960s) timesharing operating system co-designed by a consortium including MIT
  GE, and Bell Laboratories. Multics was very innovative for its time --- among other things, it introduced the idea of treating all devices uniformly as special files....
• operating system n. [techspeak] (Often abbreviated `OS') The foundation software of a machine
  hat which schedules tasks, allocates storage, and presents a default interface to the user between applications....