The sources repository (known simply as "sources") is a public Plan 9 file server running on sources.cs.bell-labs.com.

You can use the command '9fs sources' to mount sources on /n/sources. You can also browse the sources on the web.

• 9grid/ - 9grid tools
• contrib/ - Contrib directories for contributed code
• extra/ - Random bits
• lsr - Used for mirroring (see Setting up a sources mirror).
• patch/ - patch(1) archive
• plan9/ - The full source tree of the distribution
• wiki/ - Copy of the wiki data
• xen/ - Xen port

Sources can be used to update your Plan 9 installation, see staying up to date.

There are several mirrors of Plan 9 ISO and the source tree.

To setup your own mirror see: Setting up a sources mirror.