Related:

• hexit /hek'sit/ n. A hexadecimal digit (0-9, and A-F or a-f).
  Used by people who claim that there are only ten digits, dammi...
• pace-cadet keyboard n. A now-legendary device used on MIT LISP machines, which inspired several still-current jargon terms and influenced the design of EMACS.
  It was equipped with no fewer than seven shift key...
• bit-paired keyboard n.,obs. (alt. `bit-shift keyboard') A non-standard keyboard layout that seems to have originated with the Teletype ASR-33 and remained common for several years on early computer equipment.
  The ASR-33 was a mechanical device (see EOU), so the only way to generate the character codes from keystrokes was by some physical linkage....
• quadruple bucky n. obs. 1. On an MIT space-cadet keyboard, use of all four of the shifting keys (control, hyper, and super) while typing a character key.
  2. On a Stanford or MIT keyboard in raw mode, use of four shift keys while typing a fifth character, where the four shift keys are the control and meta keys on both sides of the keyboard....
• quadruple bucky: n., obs. 1. On an MIT {space-cadet keyboard}, use of all four of the shifting keys (control, meta, hyper, and super) while typing a character key.
  2. On a Stanford or MIT keyboard in {raw mode}, use of four shift keys while typing a fifth character, where the four shift keys are the control and meta keys on *both* sides of the keyboard....
• double bucky adj. Using both the CTRL and META keys.
  The command to burn all LEDs is double bucky F....
• meta bit n. The top bit of an 8-bit character, which is on in character values 128-255.
  Also called high bit, alt bit, or (rarely) hobbit....
• EOF /E-O-F/ n. [abbreviation, `End Of File'] 1.
  [techspeak] The out-of-band value returned by C's sequential character-input functions (and their equivalents in other environments) when end of file has been reached....
• EOF: /E-O-F/ [abbreviation, `End Of File'] n. 1. [techspeak] The {out-of-band} value returned by C's sequential character-input functions (and their equivalents in other environments) when end of file has been reached.
  This value is -1 under C libraries postdating V6 UNIX, but was originally 0....