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 | http://plan9.bell-labs.com/sources/] 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].