Folders are handled fundamentally different from ordinary files by CVS. They are not under revision control, i.e. you cannot tell which folders existed in the project at a certain time. Furthermore, folders can never be explicitly removed (except by removing them directly in the repository).
As a substitute, CVS follows the convention that a folder is "non-existent"
in a version of the project if it is empty. This convention can be
enforced by using the option
-P to cvs
update and cvs checkout. This option can be set
in the menu → .
A folder can be added to the repository choosing → or right clicking the marked folder and choosing from the context menu. Note that in contrast to adding files, adding folders does not require a commit afterwards. Cervisia issues the command