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1.6 THE TERMINAL USER ENVIRONMENT
The MUXserver 100 provides two modes of operation for the terminal user:
local mode, and service mode.
1.6.1 Local Mode
In local mode you communicate directly with the MUXserver 100. The server
software interprets your terminal input directly without transmitting it to a
network node. Your terminal entries are assumed to be commands in the
MUXserver 100 command set.
There are two kinds of MUXserver 100 commands: those intended for the ter-
minal user, and those intended for the server manager.
The comnlands for the terminal user are non-privileged because they affect only
the user's terminal. The user has non-privileged status.
The privileged commands for the server manager are only accessible from the
Supervisor Port of the MUXserver 100 and are password controlled to avoid
unauthorized access.
In local mode, the MUXserver 100 issues status and error messages in re-
sponse to many commands. The messages appear on your terminal. All mes-
sages employ a standard format and describe the status or error in a brief
comment. Appendix A lists each message with a more detailed explanation.
1.6.2 Service Mode
Service mode is an environment nearly identical to that of a terminal connected
directly to a network computer system. Most terminal input and output is di-
rected to and from a particular node on the local area network.
Three definitions are useful in discussing service mode:
•
Service node - a network computer system to which MUXserver 100
remote terminal users have access.
•
Service - a resource offered to MUXserver 100 remote terminal users
by one or more service nodes. A service can be equivalent to a service
node name or it can represent resources available from one or more
service nodes.
•
Session - the interaction between a terminal user and a service node.
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CHAPTER 1 THE MUXserver 100 ENVIRONMENT
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