What is the meaning of "POSIX"?

What is the meaning of "POSIX"?

linux unix posix terminology

linux

How to kill all processes with a given partial name? [closed]

linux bash posix

linux

How can I convert a file pointer ( FILE* fp ) to a file descriptor (int fd)?

c linux unix file posix

linux

Suppress echo of command invocation in makefile?

linux unix makefile posix

linux

C++ error: undefined reference to 'clock_gettime' and 'clock_settime'

c++ linux ubuntu posix time.h

linux

Writing programs to cope with I/O errors causing lost writes on Linux

c linux linux-kernel posix

linux

Difference between Real User ID, Effective User ID and Saved User ID

linux unix posix

linux

How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?

linux unix posix

linux

What is SEGV_MAPERR?

linux posix segmentation-fault coredump

linux

What is the status of POSIX asynchronous I/O (AIO)?

linux asynchronous posix bsd aio

linux

Can I assume the size of long int is always 4 bytes?

c linux types posix

linux

Are message queues obsolete in linux?

linux sockets posix ipc message-queue

linux

Is OSX a POSIX OS?

linux macos operating-system posix

linux

Is there an equivalent to WinAPI's MAX_PATH under linux/unix?

c++ c linux unix posix

linux

How to detect if the current process is being run by GDB?

c linux gdb posix

linux