3This is the core [illumos](https://illumos.org) source tree.
7The illumos build must be run on an illumos-based operating system. See the
8[Building illumos](https://illumos.org/docs/developers/build/) section of our
9documentation for detailed instructions.
13Code changes must be reviewed and tested. If you'd like to submit a change for
14inclusion in the project, please see the [Contributing to
15illumos](https://illumos.org/docs/contributing/) guide in our documentation.
19The illumos community is small but active. We welcome everybody who would like
20to use the software and participate in the community -- whether you've decades
21of experience in systems software, or you're just getting started; whether you
22work for a company that uses illumos, or you just find it personally
25Our [Community](https://illumos.org/docs/community/) guide includes details
26about our Mailing Lists and IRC channels.
28## Code of Conduct
30Participation in our community spaces, and in the project in general, are
31covered by our [Code of Conduct](./CODE_OF_CONDUCT.md). By participating in
32the project you agree to abide by its terms.
36Most of the existing code is licensed under the
37[CDDL](https://illumos.org/license/CDDL) and we expect new code will generally
38be under this license as well. Modifications of existing code may not alter
39the original license terms. Integrations of code from upstream sources that
40use another open source license are permissible, subject to approval of the