About PDF Formatted Files
Portable Document Format
(PDF)
The PDF
format is modeled after the PostScript language
and is device and resolution independent. Tax
forms and publications in the PDF format can be
viewed, navigated and printed from a workstation
using the freely available Acrobat Reader software
from Adobe Systems Inc. Versions of
Acrobat
Reader run on DOS, Windows, Macintosh and Unix
systems.