TOGGLING LOCAL ECHO

 Pressing Alt-E will toggle local echo on and off. If local
 echo is on, characters you type are printed on the screen. If
 local echo is off characters you type are not printed on the
 screen, they must be sent back to you by the remote host to be
 printed by the screen. Most hosts are set up so that local
 echo should be off; they will do the echoing. This is called a
 full duplex host. Often however when talking to another user,
 or when talking to a half duplex host, local echo must be
 turned on to see the characters you type.