Information Presentation Facility
Information Presentation Facility (IPF) is a system for presenting online help and hypertext on IBM OS/2 systems. IPF also refers to the markup language that is used to create IPF content. The IPF language has its origins in BookMaster and Generalized Markup Language developed by IBM. The IPF language is very similar to the well-known HTML language, version 3.0, with a range of additional possibilities. Therefore, a trained user may use virtually any word processor when creating IPF documents. The IPF language consists of 45 basic commands. 

IPF files are compiled using the IPF Compiler (IPFC) into viewable INF or HLP files. IPF HLP files are distinct from the WinHelp HLP files that are prevalent in Windows.

OS/2 contains a built in viewer, and there are other viewers available for other platforms.
Q1132623
online help
Concept
Q93241
hypertext
Concept
Q37156
IBM
ORG
Q189794
OS/2
MISC
Q37045
markup language
Concept
Q164388
Generalized Markup Language
ORG
Q8811
HTML
Concept
Q1144005
WinHelp
MEDIA
Q1406
Windows
Concept
Q1662484
Information Presentation Facility
MEDIA
+2^^http://www.w3.org/2001/XMLSchema#decimal
2
NUMBER
+3.0^^http://www.w3.org/2001/XMLSchema#decimal
3.0
NUMBER
+45^^http://www.w3.org/2001/XMLSchema#decimal
45
NUMBER
+2^^http://www.w3.org/2001/XMLSchema#decimal
2
NUMBER
instance of
operating system
developer