O'Reilly logo

A Practical Guide to Red Hat® Linux® 8 by Mark G. Sobell

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

POSIX.1

POSIX.1 (POSIX 1003.1), the original POSIX standard, was adopted in 1988. POSIX.1 is a C programming language interface standard. In its original form it specified the syntax and semantics of 203 C language functions and the contents of various data structures (page 1463). Subsequent revisions have greatly expanded its scope (Table D-1). In 1993 interfaces for supporting real-time programming were added, and in 1995 interfaces for supporting multithreaded application programs were added.

POSIX.1 specifies the abstract structure of a filesystem. For example, a system that conforms to POSIX.1 must have a hierarchical filesystem with directories, FIFO files, and regular files. Each file must have attributes typical of UNIX system files, ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required