Windows xp -Perating system - An operating system, or OS, is a software program that enables the computer hardware to communicate and operate with the computer software. Without a computer operating system, a computer would be useless.among the various OS available, like Linux / Variants MacOS,MS-DOS,IBM OS/2 Warp,Unix / Variants,Windows CE,Windows 3.x,Windows 95, Windows 98,Windows 98 SE,Windows ME,Windows NT,Windows 2000,Windows XP,Windows Vista, windows XP is the only OS used in most of the computers because of its user friendliness.

• @knrsekar (1009)

• India

Windows xp -Perating system - An operating system, or OS, is a software program that enables the computer hardware to communicate and operate with the computer software. Without a computer operating system, a computer would be useless.among the various OS available, like Linux / Variants MacOS,MS-DOS,IBM OS/2 Warp,Unix / Variants,Windows CE,Windows 3.x,Windows 95, Windows 98,Windows 98 SE,Windows ME,Windows NT,Windows 2000,Windows XP,Windows Vista, windows XP is the only OS used in most of the computers because of its user friendliness.