Solaris
<operating system> {Sun Microsystems, Inc.}'s version of the
{Unix} {operating system}. As well as the core operating
system, Solaris inludes networking software, the {Java Virtual
Machine}, the {CDE}/Desktop that includes an {X11}-based
{windowing environment} and {graphical user interface}.
Sun claim that Solaris is not just an operating system but an
"operating environment".
Solaris 1.x was a retroactive (marketing?) name for {SunOS}
4.1.x (where x>=1).
Solaris 2.x (which is the first version most people call
"Solaris") includes SunOS5.x, which is an SVR4-derived Unix,
{OpenWindows} 3.x, and {tooltalk}.
Version 2.7 ("Solaris 7") was around in 1999-03-02. Version
2.8 was released in June 2000. Latest version: 9, as of
2002-07-15.
(http://sun.com/solaris/).
(2002-07-15)