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

Adobe Systems, Inc.

    A California font foundry and software house.
   Adobe created the PostScript page description language and
   wrote the Blue Book, Green Book, Red Book and White
   Book on it.  They also developed PDF.  Adobe took over
   Frame Technology Corporation in late 1995/early 1996.

   (http://adobe.com/).

   E-mail: .

   Address: Silicon Valley, California, USA.

   (1996-12-13)