Operating System Design/Case Studies/Solaris

Wikipedia has related information at Solaris (operating system)

Solaris is a UNIX operating system developed by Sun Microsystems. It is most widely used on Sun's SPARC-based hardware, but is also available for x86 systems. The latest version of Solaris, Solaris 10, includes 64-bit support for the x86-64 architecture (ie AMDs Opteron and Intels Xeon processors).