○OS発展史比較表

1973 CP/M,ALTO

1975          Microsoft設立
1976 Apple I
1977 Apple II


1980 Apple III
1981          MS-DOS 1.0
1983          MS-DOS 2.0
1984 System1            TRON Project
1985 System2    Win1.0    "BTRON"
1986 System3
1987 System4    Win2.0    BTRON1 by松下電器
1988 System5    Win2.1
1989 System6
1990          Win3.0     ET-Master @PanaCAL
1991 System7             1B @1B/note
1992          Win3.1
1993          NT 3.1
1994 "Corpland"  NT 3.5     1B/V1
1995          Win95     1B/V2
1996          NT 4.0     1B/V3 ,BrainPadTiPO
1997 MacOS8.0
1998          Win98     3B/V Release1
1999 MacOS9.0   Win 2000    超漢字 (3B/V Release2=B-right/V R2)
2000                   超漢字2(B-right/V R2.5)
2001 MacOS X   Win XP     超漢字3 ,超漢字4
2002 10.2(Jaguar)
2003 10.3(Panther)