Keep track of revisions to files by using Subversion.
The subversion service is available to members of the department for shared projects and personal projects. Personal projects are strictly limited in scope: the only permitted access is to the person whose project it is. When a person leaves, the project is deleted. Shared projects are available to research groups: the group IT representative can select people to grant read and write access.
External collaborators may be granted access to the subversion service. Mail email@example.com to get your collaborator set up with a CRSID and an Admitto account. Collaborators' Admitto accounts will be restricted to only give them Subversion access.
Request a repository by mailing firstname.lastname@example.org with your project name (or just ask for a personal repository).
When the repository has been created, support@ch will mail you back and confirm.
You may also browse your repository at https://svn.ch.cam.ac.uk/subversion/REPOSITORY