Operating systems provide entry points through system calls that allow user-level processes to request services from the kernel. It is important to distinguish between system calls and library ...

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.

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

A Business Operating System (BOS) is your company’s unique way of doing things–how it operates, goes to market, produces and deals with its customers.

What do you think, Martin Cooper? The first cell phone call: Excerpt from “Networked: The New Social Operating System” by Lee Rainie and Barry Wellman The earliest public mobile communication in the ...