6.5.4.1.  Versioning system

6.5.4.1.1. Show status of the file
6.5.4.1.2. Update selected working copies format
6.5.4.1.3. Undo changes
6.5.4.1.4. Check out directories / projects (for work)
6.5.4.1.5. Edit project / directory
6.5.4.1.6. Check in project (set read-only)
6.5.4.1.7. Upload changed data of the project to the server
6.5.4.1.8. Download changed data of the project from the server

You can find the context menu command Versioning system both on directory and on project level.

Context menu at project level Context menu at directory level

Some of above mentioned commands are only available for the project level. Otherwise the functions are identical in principle.