Related:

• X: /X/ n. 1. Used in various speech and writing contexts (also in lowercase) in roughly its algebraic sense of `unknown within a set defined by context' (compare {N}).
  Thus, the abbreviation 680x0 stands for 68000, 68010, 68020, 68030, or 68040, and 80x86 stands for 80186, 80286 80386 or 80486 (note that a UNIX hacker might write these as 680[0-4]0 and 80[1-4]86 or 680?...
• moby /moh'bee/ [MIT: seems to have been in use among model railroad fans years ago.
  Derived from Melville's "Moby Dick" (some say from `Moby Pickle')....
• NMI: /N-M-I/ n. Non-Maskable Interrupt. An IRQ 7 on the PDP-11 or 680[01234]0
  he NMI line on an 80[1234]86. In contrast with a {priority interrupt} (which might be ignored, although that is unlikely), an NMI is *never* ignored....
• oot n. [Unix] 1. The superuser account (with user name `root') that ignores permission bits, user number 0 on a Unix system.
  The term avatar is also used. 2. The top node of the system directory structure...
• oot: [UNIX] n. 1. The {superuser} account (with user name `root') that ignores permission bits, user number 0 on a UNIX system.
  The term {avatar} is also used. 2. The top node of the system directory structure (home directory of the root user)....
• NMI /N-M-I/ n. Non-Maskable Interrupt. An IRQ 7 on the PDP-11 or 680[01234]0
  he NMI line on an 80[1234]86. In contrast with a priority interrupt (which might be ignored, although that is unlikely), an NMI is never ignored....
• C n. 1. The third letter of the English alphabet.
  2. ASCII 1000011. 3. The name of a programming language designed by Dennis Ritchie during the early 1970s and immediately used to reimplement Unix...
• EMACS /ee'maks/ n. [from Editing MACroS] The ne plus ultra of hacker editors, a programmable text editor with an entire LISP system inside it.
  It was originally written by Richard Stallman in TECO under ITS at the MIT AI lab...
• wrap around vi. (also n. `wraparound' and v. shorthand `wrap') 1.
  [techspeak] The action of a counter that starts over at zero or at `minus infinity' (see infinity) after its maximum value has been reached, and continues incrementing, either because it is programmed to do so or because of an overflow (as when a car's odometer starts over at 0)....