POSIX
Portable Operating System Interface
IEEE/ISO standard defining a portable OS API for Unix-like systems. Covers system calls, shell commands, threading (pthreads), file I/O, signals, and inter-process communication. Required by AUTOSAR Adaptive, QNX, and safety-critical RTOS platforms.
- Document
- IEEE 1003.1-2017 / ISO/IEC 9945
- URL
- https://pubs.opengroup.org/onlinepubs/9699919799/
- Label
- Standard
- Keywords
- POSIX operating system API Unix pthreads file I/O signals IPC IEEE ISO RTOS
Domain: Cloud and Infrastructure · Standard