DuckCorp

DuckCorp Dico

(RFC 2229 compliant dictionary server)

Found one definition

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

    PM /P·M/

    1. v. (from preventive maintenance) To bring down a machine for inspection or test purposes. See provocative maintenance; see also scratch monkey.

    2. n. Abbrev. for ‘Presentation Manager’, an elephantine OS/2 graphical user interface.