The user-access-control command-line tool sets user permissions for a file or directory at the given path. The user must exist in Blackboard Learn and the path must correspond to an existing file or directory.
user-access-control file-or-directory user-ID permission
Valid permission values include combinations of r – read, w – write, d – delete, and m – manage, or none. When specifying read, write, delete, and manage, do not include any space between the letters.
To assign all permissions, use rwdm. To assign read and write permission, use rw. To remove all permissions, use none.