IEEE 1003.1-2001

1003.1-1990 and its supplements + 1003.2-1992 plus its supplements + SUSv2 XSH5 + XCU5 + XBD5 + Portability Considerations from 1003.1/1003.2 plus additional rationale and notes from 1003.1 and 1003.2 + amendments to 1003.1/.2 - legacy features - obsolescent features + XNS5.2 and resolutions passed by OGTGnet concerning the included sections of XNS + issues raised by IEEE/ISO Interps against .1/.2 and resolutions passed by OGTGbase concerning the included sections of SUSv2 + harmonization of options vs. feature groups + resolution of XCU text marked OF,OP,PI and UN (on a case by case basis). See the long scope for further detailed information.

Provide a single standard addressing the needs of users of all the documents being revised and supported by as much of the overall industry as possible. Address problems discovered during the lifetimes of the current documents. The current standards are approaching ten years or more in age; and this is the promised revision, whose scope is being expanded by including accepted practice based on the contents of the Single UNIX Specification.

Revision Standard - Superseded. This standard defines a standard operating system interface and environment, including a command interpreter (or "shell"), and common utility programs to support applications portability at the source code level. It is the single common revision to IEEE Std 1003.1-1996, IEEE Std 1003.2-1992, and the Base Specifications of The Open Group Single UNIX(TM)† Specification, Version 2. This standard is intended to be used by both applications developers and system implementors and comprises four major components (each in an associated volume)