

POSIX is intended to be used by both application and system developers. POSIX defines both the system and user-level application programming interfaces (APIs), along with command line shells and utility interfaces, for software compatibility (portability) with variants of Unix and other operating systems. The Portable Operating System Interface ( POSIX, with pos pronounced as in positive, not as in pose ) is a family of standards specified by the IEEE Computer Society for maintaining compatibility between operating systems. Portable Operating System Interface (IEEE 1003) AbbreviationĪustin Group ( IEEE Computer Society, The Open Group, ISO/IEC JTC 1/SC 22/WG 15) Not to be confused with Unix, Unix-like, or Linux.
