@ATTR
Syntax: Attr filename [permissions]
Usage : Examine or change the security permissions of a file
Opts  : -perm = turn off specified permission
        perm  = turn on specified permission
        -a = inhibit printing of attrs after change     
Perms : d - directory file
        s - non-sharable file
        r - read permit to owner
        w - write permit to owner
        e - execute permit to owner
        pr - read permit to public
        pw - write permit to public
        pe - execute permit to public