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SkyOS

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SkyOS
File:SkyOS logo.png
SkyOS
SkyOS desktop screenshot.
DeveloperRobert Szeleney
OS familyPOSIX-compliant
Working stateBeta
Source modelClosed source
Latest releaseBuild 6179 / September 3, 2006
Kernel typeExtendable Kernel
Default
user interface
SkyGI
LicenseProprietary
Official websiteSkyOS

SkyOS is a proprietary operating system developed by Robert Szeleney. It has existed since 1996, but what was once going to be released as version 5.0 has instead become a rewrite of the entire operating system from the ground up and this rewrite is now in development and testing. It was open source in its early stages, but is now proprietary.

SkyOS features SMP support, an integrated media subsystem and a 64-bit filesystem. Its filesystem was originally based on a modified version of OpenBFS but now has evolved into its own distinctive filesystem, SkyFS.

SkyOS is mostly POSIX compliant, and comes with the majority of the GNU tools, including GCC. Due to its POSIX compliance and port of the GTK+ widget toolkit, many Linux or other UNIX applications have been ported, including AbiWord and Gaim, as well as a number of games, such as Quake.

As of 2006, SkyOS has limited hardware support due to lack of device drivers. Many common types of devices are not supported, such as printers and many [[USB] devices. Although SkyOS has support for graphics cards in VESA modes, it lacks the ability to take advantage of the 3D hardware found on modern graphics cards like nVidia's GeForce and ATI's Radeon range.

SkyOS has applications for many common desktop computing tasks; the GTK, Mozilla, and Mono platforms have been ported, to name a few of the more prominent applications available. Additionally, a handful of 3rd-party developers have created a number of native applications and games for SkyOS.