Solaris (operating system)

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Solaris is a Unix operating system originally developed by Sun Microsystems. It superseded their earlier SunOS in 1992. Oracle Solaris, as it is now known, has been owned by Oracle Corporation since Oracle's acquisition of Sun in January 2010.[2]

Solaris is known for its scalability, especially on SPARC systems, and for originating many innovative features such as DTrace, ZFS and Time Slider.[3][4] Solaris supports SPARC-based and x86-based workstations and servers from Sun and other vendors, with efforts underway to port to additional platforms. Solaris is registered as compliant with the Single Unix Specification.

Solaris was historically developed as proprietary software, then in June 2005 Sun Microsystems released most of the codebase under the CDDL license, and founded the OpenSolaris open source project.[5] With OpenSolaris Sun wanted to build a developer and user community around the software. After the acquisition of Sun Microsystems in January 2010, Oracle decided to discontinue the OpenSolaris distribution and the development model.[6][7] As a result, the OpenSolaris community forked the OpenIndiana project,[8] as part of the Illumos Foundation.[9][7] However, starting with Solaris 11, updates to the Solaris source code will still be distributed under the CDDL license, after full binary releases are made. Oracle will also begin a technology partner program, called Oracle Technology Network (OTN), to permit their industry partners access to the in-development Solaris source code.[7]

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