Mac OS X  22dATTR dd˜Ì˜Ìcom.apple.acl.text!#acl 1 user:A18894C0-7B47-48D7-B3A1-18F1172820EA:marcallen:501:allow,inherited:read,write,execute,delete,append,delete_child,readattr,writeattr,readextattr,writeextattr,readsecurity,writesecurity,chown