Related:

• cratch monkey n. As in "Before testing or reconfiguring, always mount a scratch monkey", a proverb used to advise caution when dealing with irreplaceable data or devices.
  Used to refer to any scratch volume hooked to a computer during any risky operation as a replacement for some precious resource or data that might otherwise get trashed....
• TWENEX /twe'neks/ n. The TOPS-20 operating system by DEC -- the second proprietary OS for the PDP-10 -- preferred by most PDP-10 hackers over TOPS-10 (that i
  by those who were not ITS or WAITS partisans). TOPS-20 began in 1969 as Bolt, Beranek &...
• 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....
• ap 1. n. A program interrupt, usually an interrupt caused by some exceptional situation in the user program.
  In most cases, the OS performs some action, then returns control to the program....
• ap: 1. n. A program interrupt, usually an interrupt caused by some exceptional situation in the user program.
  In most cases, the OS performs some action, then returns control to the program....
• DDT /D-D-T/ n. [from the insecticide para-dichloro-diphenyl-trichloroethene] 1.
  Generic term for a program that assists in debugging other programs by showing individual machine instructions in a readable symbolic form and letting the user change them....
• o-op: /noh'op/ alt. NOP /nop/ [no operation] n. 1.
  (also v.) A machine instruction that does nothing (sometimes used in assembler-level programming as filler for data or patch areas, or to overwrite code to be removed in binaries)....
• o-op /noh'op/ n.,v. alt. NOP /nop/ [no operation] 1.
  A machine instruction that does nothing (sometimes used in assembler-level programming as filler for data or patch areas, or to overwrite code to be removed in binaries)....
• wheel bit n. A privilege bit that allows the possessor to perform some restricted operation on a timesharing system
  uch as read or write any file on the system regardless of protections, change or look at any address in the running monitor, crash or reload the system, and kill or create jobs and user accounts....