-r realm

Specify a realm. 

-t type

Specify a service type. 

-s service

Specify a service. 

-f 

Receive comprehensive information, including the client computer's network name, the client's network address, the directories to which the client has attached and their corresponding volume names, the number of bytes read and written on each file and print service connection, and the number of open files. 

-u user

Receive connection information on a user. 

-c client

Receive connection information about a client computer. You can specify multiple options. The client variable represents the client's network name.