The Jargon File (version 4.4.7, 29 Dec 2003):

console jockey
 n.

    See terminal junkie.


The Free On-line Dictionary of Computing (30 December 2018):

terminal junkie
console jockey

   (UK) A wannabee or early larval stage hacker who spends
   most of his or her time wandering the directory tree and
   writing noddy programs just to get a fix of computer time.
   Variants include "terminal jockey", "console junkie", and
   console jockey.  The term "console jockey" seems to imply
   more expertise than the other three (possibly because of the
   exalted status of the console relative to an ordinary
   terminal).

   See also twink, read-only user.

   [Jargon File]

   (1995-02-16)