What does operating system actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

The system call used to write to the console will vary from OS to OS, so right there is one example of why software is OS specific.

Buried deep inside your computer's Intel chip is the MINIX operating system and a software stack, which includes networking and a web server. It's slow, hard to get at, and insecure as insecure ...

Consolidating a series of recent enhancements around a single theme, Vast Data Inc. today launched what it calls an AI Operating System intended to support the coming age of “agentic computing ...

MemOS is a breakthrough "memory operating system" for AI that delivers 159% improvement in reasoning tasks and enables persistent memory.