Unix

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Introduction
Unix
Unix wars
Historically significant corporations
AT&T
Bell Labs
Hewlett-Packard
IBM
Novell
SCO Group
Sun Microsystems
Unix standards and organizations
The Open Group
X/Open
POSIX
Single UNIX Specification
Unix operating systems
1977 – Berkeley Software Distribution
1979 – Version 7 Unix
1982 – SunOS
1983 – UNIX System V
1984 – HP-UX
1986 – AIX
1988 – IRIX
1989 – SCO OpenServer
1992 – Solaris
1992 – Tru64 UNIX
1992 – UnixWare
2001 – Mac OS X
Unix-like operating environments
Unix-like
Cygwin
FreeBSD
GNU
Interix
Linux
NetBSD
NeXTSTEP
OpenBSD
OpenSolaris
Plan 9 from Bell Labs
Legal battles and controversies
SCO-Linux controversies
SCO v. IBM
SCO v. Novell
SCO and SGI
Red Hat v. SCO
USL v. BSDi
Appendix
Cover