POSIX Updated: 04/26/2017 by Computer Hope Short for "Portable operating system Interface for Unix," POSIX is a set of IEEE and ISO standards that define how Unix operating systems operate with one another and the command structure. IEEE, ISO, Operating system terms, POSIX time, Unix
Short for "Portable operating system Interface for Unix," POSIX is a set of IEEE and ISO standards that define how Unix operating systems operate with one another and the command structure.