The original operating system for IBM PC compatible computers. It is the basic for the current Windows operating system. When people use the term DOS, they are commonly referring to Microsoft DOS ...

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 ...

The first mainstream commercial operating system was Microsoft's DOS, a text-based disk operating system for computers that ran until 1998 with PC DOS 2000. It was Apple's Macintosh computers that ...