User`s guide

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Commands for managing connections and sessions
 close: Closes active sessions that were opened by connect, rlogin, and telnet commands.
 connect: Makes a connection, or establishes a connection, with a serial port.
 exit and quit: These commands terminate a currently active session.
 who and kill: The who command displays a global list of connections. The list of connections
includes those associated with a serial port or the command-line interface. who is particularly
useful in conjunction with the kill command, which terminates active connections. Use who to
determine any connections that are no longer needed, and end the connections by issuing a kill
command.
 ping: Tests whether a host or other device is active and reachable.
 reconnect: Reestablishes a previously established connection. The default operation is to
reconnect to the last active session.
 rlogin: Performs a login to a remote system.
 status: Displays a list of sessions, or outgoing connections made by connect, rlogin, telnet or
ssh commands for a device. Typically, the status command is used to determine which of the
current sessions to close.
 telnet: Makes an outgoing Telnet connection, also known as a session.