| Company / developer | illumos.org |
|---|---|
| Programmed in | C |
| OS family | Unix, System V Release 4 (SVR4) |
| Working state | Current |
| Source model | Mixed open source, targeted open source |
| Initial release | 2010 |
| Latest stable release | onnv_145 |
| Available language(s) | English |
| Available programming languages(s) | C |
| Supported platforms | IA-32, x86-64 |
| Kernel type | Monolithic |
| License | BSD, MIT or CDDL |
| Official website | www.illumos.org |
Illumos is a derivative of OS/Net (aka ON), which basically is a Solaris-OpenSolaris kernel with the bulk of the drivers, core libraries, and basic utilities. It is dependent on OS/Net, which Illumos will follow very closely while allowing retaining changes to code which might be unacceptable to upstream OpenSolaris. Illumos is aiming at full application binary interface (ABI) compatibility with Solaris ON, focusing on the core foundation blocks only.
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Illumos was announced by webinar[1] on Thursday, 3 August 2010, as a community effort of some core Solaris engineers to create a truly open source Solaris by swapping closed source bits of OpenSolaris with open implementations.
The original plan explicitly stated that Illumos not be a distribution or a fork. However, after Oracle announced discontinuing OpenSolaris, plans were made to fork the final version of the Solaris ON kernel allowing Illumos to evolve into a kernel of its own.[2]
As of 2010[update], efforts focused on libc, the NFS lock manager, the crypto module and many device drivers to create a Solaris-like OS with no closed, proprietary code.
The name "Illumos" is a pun on "SunOS", the name before "Solaris" for the same commercial product. "Illumos" is derived from the Latin illuminare meaning "to enlighten," concatenated with the acronym "OS" for 'operating system'.
As of 2010[update], Illumos is led by Garrett D'Amore.
At OpenStorage Summit 2010, the new logo for Illumos was revealed, with official type and branding to follow over.[3]
The Illumos team stresses very heavily its independence from any company or legal entity, maintaining this autonomy as a cornerstone of the community effort. With independent status, it cannot "be 'shut down' or subverted by any corporate master".[1]
Some companies and community efforts sponsor the work, though. Partners include Nexenta, Joyent, BeleniX, BerliOS, Schillix, Greenviolet, EveryCity Managed Hosting and Reliant Security.
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