<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.
Current version: 9, as of 2002-07-15.