Proper noun
POSIX
(computing) Acronym of Portable Operating System Interface: a set of IEEE standards designed to provide application portability between UNIX variants.
How do Crays and Alphas handle the POSIX problem? Larry Wall
Cygwin also recognises NTFS junction points and symbolic links and treats them as POSIX symbolic links, but it does not create them as their semantics are not fully POSIX-compliant. Source: Internet
Attitudes across different computing platforms Unix programmers can combine command-line POSIX tools into a complete development environment, capable of developing large programs such as the Linux kernel and its environment. Source: Internet
Certified products can be found at the IEEE's website. citation POSIX-certified Some versions of the following operating systems have been certified to conform to one or more of the various POSIX standards. Source: Internet
Character classes apply to both POSIX levels. Source: Internet
Exactly which characters belong to the POSIX classes also varies. Source: Internet