> From: Kelly J. Lipp [mailto:lipp AT STORSOL DOT COM]
> Sent: Tuesday, February 16, 1999 2:36 PM

> OK, now I am confused.  First I thought all UNIX was the same!
>
> What is the difference between Sun OS and Solaris?

 ftp://ftp.fwi.uva.nl/pub/solaris/solaris2.html#q1.4

 @@@

1.1) What's Solaris anyway?

 Solaris(tm) is Sun's name for their UNIX-based user environment, including
 the UNIX(tm) operating system, window system (X11-based), and other stuff
 too.

 Solaris 1.x is a retroactive (marketing?) name for SunOS 4.1.x (x>=1), a
 version of UNIX that is BSD-like with some SVR4 features, along with
 OpenWindows 3.0.

 Solaris 2.x (which is what most everybody means by "Solaris") includes
 SunOS 5.x, which is an SVR4-derived UNIX, along with OpenWindows 3.x,
 tooltalk, and other stuff.

 Solaris 7 and later are basically newer revisions of Solaris 2.x with
 the leading "2." stripped.

 @@@

 in brief:

  1/ SunOS 4.x  = Solaris 1.x = sunOS for the common (BSDish)
  2/ SunOS 5.x  = Solaris 2.x = Solaris for the common (SVr4)

 fx

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