Solaris is a proprietary Unix operating system originally developed by Sun Microsystems. After the Sun acquisition by Oracle in 2010, it was renamed Oracle Solaris.
Screenshot of Java Desktop System on Solaris 10
olvwm with OpenWindows on Solaris
Unix is a family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.
Ken Thompson and Dennis Ritchie, principal developers of Research Unix
Photo from USENIX 1984, including Dennis Ritchie (center)
Promotional license plate by Digital Equipment Corporation, actual license plate is used by Jon Hall
HP 9000 workstation running HP-UX, a certified Unix operating system