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Read The Single UNIX® Specification, Version 3
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Related Online Publications
The Single UNIX Specification, Version 2 (includes XCURSES)
Network File System (XNFS)
Data Link Provider Interface (DLPI) Version 2
Transport Provider Interface (TPI) Version 2
Network Computer Profile
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The Open Group is pleased, in association with the IEEE, to announce availability of the core volumes of Version 3 of the Single UNIX Specification on the World Wide Web. These volumes are also IEEE Std 1003.1 and ISO/IEC 9945. We request that you register your details in order to proceed to view or download the complete online version of the specification. Once registered you can then bookmark the table of contents page to avoid having to register again.
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UNIX® System API tablesthese tables show the standards derivation for all the interfaces in the Single UNIX Specification Version 3 with respect to POSIX.1-2001, UNIX 98, UNIX 95, POSIX.1-1996, POSIX.2-1992, the ISO C standard, C89, SVID3 and BSD4.3 .
More Information on the Single UNIX Specification, Version 3presentations and corrigenda information