When using Native Authentication with Titan and Cornerstone, the following directory and file access masks are used.
RWADNMRLIGSXU-
(R) - Read/Download Files
(W) - Write/Create New Files
(A) - Append/Modify Existing Files
(D) - Delete Existing Files
(N) - Rename existing files/folders
(M) - Create new folder
(R) - Remove existing folders
(L) - List contents of directory
(I) - Inherit permissions from parent
(G) - Get attributes of object (WebUI only)
(S) - Set attributes of object (WebUI only)
(H) - Share File/Folder (Cornerstone WebUI Only)
(U) - Unshare File/Folder (Cornerstone WebUI Only)