WordNet (r) 3.0 (2006):

PSF
    n 1: a terrorist group of radical Palestinians who split with
         al-Fatah in 1967 but now have close relations with al-
         Fatah; staged terrorist attacks against Israel across the
         Lebanese border [syn: Popular Struggle Front, PSF]

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

PSF
       Print Services Facility (IBM)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

PSF
       Permanent Swap File


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

PSF
       Python Software Foundation (org., Python)


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

Print Services Facility
PSF

    (PSF) IBM's system software which generates
   native IBM printer language, IPDS and, depending on the
   version, PostScript and LaserJet PCL.

   See also: Advanced Function Presentation.

   (1998-06-28)