client   | Disables OS support on the client.  | 
server   | Disables OS support on the server.  | 
add  | Adds OS support from the specified location.  | 
remove  | Removes OS support from the specified location.  | 
<os-name>  | OS type: longhorn, vista, win2k3, winxp, win2k, win98, wnt4, wnt3, winunk, emc, mac, macunk, linux, novell, samba, snap, unix, bsd, ibmas400  |