Related:

• LPT /L-P-T/ or /lip'it/ or /lip-it'/ n. 1. Line printer (originally Line Printing Terminal).
  Rare under Unix, more common among hackers who grew up with ITS, MS-DOS, CP/M and other operating systems that were strongly influenced by early DEC conventions....
• CP/M:: /C-P-M/ n. [Control Program for Microcomputers] An early microcomputer {OS} written by hacker Gary Kildall for 8080- and Z80-based machine
  very popular in the late 1970s but virtually wiped out by MS-DOS after the release of the IBM PC in 1981....
• MS-DOS:: /M-S-dos/ [MicroSoft Disk Operating System] n.
  A {clone} of {{CP/M}} for the 8088 crufted together in 6 weeks by hacker Tim Paterson, who is said to have regretted it ever since....
• operating system:: [techspeak] n. (Often abbreviated `OS') The foundation software of a machine, of course
  hat which schedules tasks, allocates storage, and presents a default interface to the user between applications....
• CP/M /C-P-M/ n. [Control Program/Monitor; later retconned to Control Program for Microcomputers] An early microcomputer OS written by hacker Gary Kildall for 8080- and Z80-based machine
  very popular in the late 1970s but virtually wiped out by MS-DOS after the release of the IBM PC in 1981....
• DEC: n. Digital Equipment Corporation. Before the {killer micro} revolution of the late 1980s, hackerdom was closely symbiotic with DEC's pioneering timesharing machines.
  The first of the group of cultures described by this lexicon nucleated around the PDP-1 (see {TMRC}....
• DEC /dek/ n. 1. v. Verbal (and only rarely written) shorthand for decrement, i.
  e. `decrease by one'. Especially used by assembly programmers, as many assembly languages have a dec mnemonic....
• MS-DOS /M-S-dos/ n. [MicroSoft Disk Operating System] A clone of CP/M for the 8088 crufted together in 6 weeks by hacker Tim Paterson at Seattle Computer Produc
  who called the original QDOS (Quick and Dirty Operating System) and is said to have regretted it ever since....
• EXE: /eks'ee/ or /eek'see/ or /E-X-E/ n. An executable binary file.
  Some operating systems (notably MS-DOS, VMS, and TWENEX) use the extension ....