MS-DOS (Microsoft Disk Operating System) is an OS for x86-based personal computers. After having been the head OS for IBM PC-compatible computers in the 1980s, it was gradually replaced by operating ...

Note that the command output displays user, system and idle time along with other stats like disk read and write activity, interrupts and context switches. The following command displays the top ...

As a child of the '80s, I grew up working with the DOS operating system. For those who might not be familiar with DOS, it was an acronym for Disk Operating System. The OS could fit onto a single ...

The computer's master control program. When a computer is turned on, a small "boot program" loads the operating system. Although additional system modules may be loaded as needed, the main part, known ...

With permission from Apple, The Computer History Museum and the Digibarn Computer Museum announced today it is publishing the original DOS source code for Apple’s 1978 Apple II. The Apple II was the ...

While most operating systems are written in C and C++, KolibriOS is written in pure x86 assembly and as a result small and lightweight enough to run off a standard 1.44 MB floppy disk, as demonstrated ...

Lordy, lordy, look who’s 40! Happy birthday, Unix — you’re looking great for your age. You certainly weren’t the first operating system on any platform, but you managed to stride from the minicomputer ...