What Does POSIX Stand For?

POSIX stands for Portable Operating System Interface For Computer Environments

POSIX, or Portable Operating System Interface for Computer Environments, is a set of standards specified by the IEEE to ensure compatibility and interoperability between different operating systems. It defines application programming interfaces (APIs), command line shells, and utility interfaces, facilitating software development across diverse computing environments. By adhering to POSIX standards, developers can create portable applications that function consistently on compliant systems, enhancing cross-platform compatibility and reducing development effort.

Added on 14th April 2008 | Last edited on 18th June 2025 | Edit Acronym

Other Meanings for POSIX