Related:

• dd /dee-dee/ vt. [Unix: from IBM JCL] Equivalent to cat or BLT.
  Originally the name of a Unix copy command with special options suitable for block-oriented device...
• cat: [from `catenate' via {{UNIX}} `cat(1)'] vt. 1.
  [techspeak] To spew an entire file to the screen or some other output sink without pause....
• cat [from `catenate' via Unix cat(1)] vt. 1. [techspeak] To spew an entire file to the screen or some other output sink without pause.
  2. By extension, to dump large amounts of data at an unprepared target or with no intention of browsing it carefully....
• wab: /swob/ [From the mnemonic for the PDP-11 `SWAp Byte' instruction, as immortalized in the `dd(1)' option `conv=swab' (see {dd})] 1.
  vt. To solve the {NUXI problem} by swapping bytes in a file....
• flush: v. 1. To delete something, usually superfluous, or to abort an operation.
  All that nonsense has been flushed." 2. [UNIX/C] To force buffered I/O to disk, as with an `fflush(3)' call....
• JCL: /J-C-L/ n. 1. IBM's supremely {rude} Job Control Language.
  JCL is the script language used to control the execution of programs in IBM's batch systems....
• flush v. 1. [common] To delete something, usually superfluous, or to abort an operation.
  All that nonsense has been flushed." 2. [Unix/C] To force buffered I/O to disk, as with an fflush(3) call....
• 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....
• uke: /n[y]ook/ vt. 1. To intentionally delete the entire contents of a given directory or storage volume.
  On UNIX, `rm -r /usr' will nuke everything in the usr filesystem....