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Urbit is a personal server stack built from scratch. This repositorycontainsUrbit's runtime environment, the lowest layer of the Urbitstack, which includes the Nock virtual machine, I/O drivers, event log, andsnapshotting system.

For basic Urbit usage instructions, head over tourbit.org.For a high-level overview of the salient aspects of Urbit's architecture, visitdevelopers.urbit.org. You might also be interested injoining theurbit-dev mailing list.

Urbit's runtime is broken down into a few separate layers, each of which isdefined in its own package:

• pkg/c3: A set of basic utilities for writing Urbit's style of C.
• pkg/ent: A cross-platform wrapper forgetentropy(2).
• pkg/urcrypt: A standardized interface for calling variouscryptographic functions used in the Urbit runtime.
• pkg/ur: An implementation ofjam andcue, Urbit'sbitwise noun serialization and deserialization algorithms, respectively.
• pkg/noun: The Nock virtual machine and snapshotting system.
• pkg/vere: The I/O drivers, event log, and main event loop.

SeeINSTALL.md.

Contributions of any form are more than welcome. Please take a look at ourcontributing guidelines for details on our git practices, codingstyles, how we manage issues, and so on.