Select the folder or file with pointer and then select Get Info to view the current permission attributes.
Typical Permissions under Mac OSX 10.4
Typical Permissions under Mac OSX 10.5
McCAD Folder Permission Settings
McCAD Folder Permission Settings
McCAD Folder - Typical File Contents Permission Settings

Please note that the McCAD folder and its contents are set to "READ & WRITE" for ALL USERS. 

McCAD Folder - Typical File Contents Permission Settings

Please note that the McCAD folder and its contents are set to "READ & WRITE" for ALL USERS.