OS
From MEPIS Documentation Wiki
OS -- Operating System (e.g: Linux, Windows, Mac OS, FreeBSD, UNIX, OS/2, DOS, etc) the program that makes the computer work: manages programs and computer resources.
OS -- Operating System (e.g: Linux, Windows, Mac OS, FreeBSD, UNIX, OS/2, DOS, etc) the program that makes the computer work: manages programs and computer resources.