1 02/21/85 substty
 2 
 3 Syntax as a command:  substty channel_id1 channel_id2
 4 
 5 
 6 Function:  substitutes one message coordinator terminal channel for
 7 another.  Do not confuse this command with the redefine or reroute
 8 commands.  This command can be used in ring 4 only.
 9 
10 
11 Arguments:
12 channel_id1
13    is the name of the communication channel to be dropped.
14 channel_id2
15    is the name of the channel to be attached (see the Multics System
16    Maintenance Procedures manual, Order No.  AM81, for information on
17    channel names).  All ouput queued for channel_id1 is placed in the
18    queue for channel_id2.  This command cannot be used on multiplexer
19    channels.