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![]() Screenshot of the GNOME desktop on Solaris 11 | |
Developer | Sun Microsystems (acquired by Oracle Corporation in 2010) |
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Written in | C, C++ |
OS family | Unix (SVR4) |
Working state | Current |
Source model | Mixed |
Initial release | June 1992 |
Latest release | 11.4 SRU77[1] / January 21, 2025 |
Marketing target | Server, workstation |
Platforms | Current: SPARC, x86-64 Former: IA-32, PowerPC |
Kernel type | Monolithic with dynamically loadable modules |
Userland | POSIX |
Default user interface | GNOME[2] |
License | Various |
Preceded by | SunOS |
Official website | www |
Oracle Solaris is a proprietary Unix operating system offered by Oracle for SPARC and x86-64 based workstations and servers. Originally developed by Sun Microsystems as Solaris, it superseded the company's earlier SunOS in 1993 and became known for its scalability, especially on SPARC systems, and for originating many innovative features such as DTrace, ZFS and Time Slider.[3][4] After the Sun acquisition by Oracle in 2010, it was renamed Oracle Solaris.[5]
Solaris was registered as compliant with the Single UNIX Specification until 29 April 2019.[6][7][8] Historically, Solaris was developed as proprietary software. In June 2005, Sun Microsystems released most of the codebase under the CDDL license, and founded the OpenSolaris open-source project.[9] Sun aimed to build a developer and user community with OpenSolaris; after the Oracle acquisition in 2010, the OpenSolaris distribution was discontinued[10][11] and later discontinued providing public updates to the source code of the Solaris kernel, effectively turning Solaris version 11 back into a closed source proprietary operating system.[12] Following that, OpenSolaris was forked as Illumos and is alive through several Illumos distributions. In September 2017, Oracle laid off most of the Solaris teams.[13]
The DTrace trouble-shooting software from Sun was chosen as the Gold winner in The Wall Street Journal's 2006 Technology Innovation Awards contest
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