Related:

• EOL /E-O-L/ n. [End Of Line] Syn. for newline, derived perhaps from the original CDC6600 Pascal.
  Now rare, but widely recognized and occasionally used for brevity....
• 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....
• 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....
• BNF /B-N-F/ n. 1. [techspeak] Acronym for `Backus Normal Form' (often incorrectly expanded as `Backus-Naur Form')
  a metasyntactic notation used to specify the syntax of programming languages, command sets, and the like....
• crlf: /ker'l*f/, sometimes /kru'l*f/ or /C-R-L-F/ n.
  (often capitalized as `CRLF') A carriage return (CR, ASCII 0001101) followed by a line feed (LF, ASCII 0001010)....
• ewline: /n[y]oo'li:n/ n. 1. [techspeak, primarily UNIX] The ASCII LF character (0001010), used under {{UNIX}} as a text line terminator.
  A Bell-Labs-ism rather than a Berkeleyism; interestingly (and unusually for UNIX jargon), it is said to have originally been an IBM usage....
• pool: [from early IBM `Simultaneous Peripheral Operation On-Line', but this acronym is widely thought to have been contrived for effect] vt.
  To send files to some device or program (a `spooler') that queues them up and does something useful with them later....
• OS: /O-S/ 1. [{Operating System}] n. An abbreviation heavily used in email, occasionally in speech.
  2. n.,obs. On ITS, an output spy. See "{OS and JEDGAR}" (in {Appendix A})....
• erpri: /ter'pree/ [from LISP 1.5 (and later, MacLISP)] vi.
  To output a {newline}. Now rare as jargon, though still used as techspeak in Common LISP....