An open-source Unix operating system:

Clone this repo:
  1. 94cc9d8 13118 Very slow reaping, possible deadlock in zfs_delmap by Alex Wilson · 7 weeks ago master
  2. 7cbbb9b 13241 mlxcx sending wrong length SET_FLOW_TABLE_ROOT on some parts by Alex Wilson · 7 days ago
  3. 9106183 13204 loader: 8-bit depth can draw 256 colors by Toomas Soome · 3 weeks ago
  4. d7c4a96 12593 NULL ptr deref in door_upcall via auditctl setpolicy by Alex Wilson · 6 months ago
  5. b7c9093 12222 Want ctfwsdiff to diff workspaces for CTF by Andy Fiddaman · 9 days ago


This is the core illumos source tree.


The illumos build must be run on an illumos-based operating system. See the Building illumos section of our documentation for detailed instructions.


Code changes must be reviewed and tested. If you'd like to submit a change for inclusion in the project, please see the Contributing to illumos guide in our documentation.


The illumos community is small but active. We welcome everybody who would like to use the software and participate in the community -- whether you've decades of experience in systems software, or you're just getting started; whether you work for a company that uses illumos, or you just find it personally interesting.

Our Community guide includes details about our Mailing Lists and IRC channels.

Code of Conduct

Participation in our community spaces, and in the project in general, are covered by our Code of Conduct. By participating in the project you agree to abide by its terms.


Most of the existing code is licensed under the CDDL and we expect new code will generally be under this license as well. Modifications of existing code may not alter the original license terms. Integrations of code from upstream sources that use another open source license are permissible, subject to approval of the advocates.