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Essay on The Solaris Operating System
The Solaris Operating System is a computer operating system, based on the open-source UNIX SunOS developed by Sun Microsystems. Solaris is being released under the Common Development and Distribution License, an OSI-certified Open-Source license.
Early versions were based on BSD UNIX, and were simply called "SunOS." The shift to a System V code base in SunOS 5 was marked by changing the marketing name to Solaris 2; thus SunOS 5.0 was marketed as Solaris 2.0. After version 2.6, Sun dropped the "2." from the name, so SunOS 5.10 is marketed as Solaris 10. Earlier versions were retroactively named Solaris 1.x. The term "SunOS" is still used to refer to the underlying operating system itself, and Solaris considered to be the SunOS operating system plus a graphical user environment, ONC+, and networking and other enhancements.
Supporting Architectures
Solaris uses a common code base for both architectures it supports: SPARC and x86. Solaris was also ported to the PowerPC architecture for version 2.5.1, but the port was cancelled almost as soon as it was released. Solaris 10 is available for x86-64 as well as SPARC and x86 architectures. Solaris has a reputation for being well-suited to SMP and supporting a large number of CPUs. Sun also plans to implement parts of Linux APIs in Solaris 10, allowing Solaris to natively run Linux binaries on x86 systems.
Solaris is tightly integrated with Sun's SPARC hardware, and is designed and marketed as a combined package. This has often led to more reliable systems, but at a cost premium over commodity PC hardware. However, since the availability of commodity 64-bit CPUs (like AMD64), the latest version of Solaris, Solaris 10, has been designed with x86-64 architecture in mind. Sun heavily marketed Solaris x86 with its AMD64-based entry-level server.
Desktop Environment
The first Solaris desktop environment was Open Windows. It was followed by CDE in Solaris 2.6. Sun's Java Desktop System, which is based on GNOME, is included with Solaris 10....
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