SISTEMAS OPERATIVOS

CP/M ---->Gary Kilodall

MS-DOS ---->3.0, 3.3 , 5.0

OC-DOS--->IBM

DR-DOS--->Empresa Digital Research

    ¨  ¨     --->Novell --Novell DOS

Windows 3.11

MacOS

Windows 95 vs OS/2--->IBM

Windows 98

Windows NT

Windows 2000/Windows ME

Windows XP

Windows 2003

Windows Vista/7.

LINUX