Related:

• mod: vt.,n. 1. Short for `modify' or `modification'.
  Very commonly used --- in fact the full terms are considered markers that one is being formal....
• diff /dif/ n. 1. A change listing, especially giving differences between (and additions to) source code or documents (the term is often used in the plural `diffs').
  Send me your diffs for the Jargon File!" Compare vdiff....
• diff: /dif/ n. 1. A change listing, especially giving differences between (and additions to) source code or documents (the term is often used in the plural `diffs').
  Send me your diffs for the Jargon File!" Compare {vdiff}....
• patch 1. n. A temporary addition to a piece of code, usually as a quick-and-dirty remedy to an existing bug or misfeature.
  A patch may or may not work, and may or may not eventually be incorporated permanently into the program....
• glitch /glich/ [very common; from German `glitschig' to slip, via Yiddish `glitshen', to slide or skid] 1.
  . A sudden interruption in electric service, sanity, continuity, or program function....
• core dump: n. [common {Iron Age} jargon, preserved by UNIX] 1.
  [techspeak] A copy of the contents of {core}, produced when a process is aborted by certain kinds of internal error....
• core dump n. [common Iron Age jargon, preserved by Unix] 1.
  [techspeak] A copy of the contents of core, produced when a process is aborted by certain kinds of internal error....
• bit twiddling n. [very common] 1. (pejorative) An exercise in tuning (see tune) in which incredible amounts of time and effort go to produce little noticeable improveme
  often with the result that the code becomes incomprehensible....
• fried adj. 1. [common] Non-working due to hardware failure
  burnt out. Especially used of hardware brought down by a `power glitch' (see glitch), drop-outs, a short, or some other electrical event....