NET/MASTER Network Control Language (NCL) Programmer's Guide

Types of NonStop NET/MASTER MS Environments
Environments and Command Processing
106160 Tandem Computers Incorporated 16–7
You can use the SHOW USERS and SHOW OCS commands to display information
about remote users.
Note You can filter messages from a remote system by specifying a MSGPROC NCL procedure at either the
local system, the remote system, or both systems. The following command specifies a MSGPROC at
your local system:
PROFILE MSGPROC=LOCFILT
The following command specifies a MSGPROC at the remote system to which you are logged on:
ROUTE REMOTE1 PROFILE MSGPROC=RMTFILT
Types of NonStop
NET/MASTER MS
Environments
To NonStop NET/MASTER MS, an environment is an area in which NonStop
NET/MASTER MS users, NonStop NET/MASTER MS commands, and NCL
processes operate. An environment provides the internal services and facilities that
are required to execute NonStop NET/MASTER MS commands and NCL processes on
behalf of NonStop NET/MASTER MS users.
Conceptually, an environment defines the scope of the area in which users, NonStop
NET/MASTER MS commands, and NCL processes operate. It is designed to limit the
scope of the default activities of NonStop NET/MASTER MS commands and NCL
processes. The concept of an environment provides a boundary between:
Multiple users and their activities
Multiple NCL processes and their activities
Users and NCL processes and their activities
The following environmental concepts are discussed in this subsection:
Regions
Current execution environments
Windows and top-level environments
Primary processing environments
Background processing environments
Dependent processing environments
Note An NCL process can determine the environment in which it is executing by using the &SYS.NCL.ENV
system variable.
Regions A region is an environment in which a real user operates. It defines the scope of what
a real user can do when the user is logged on to NonStop NET/MASTER MS.
Conceptually, a region is designed to limit the default activities of real users. This has
two consequences:
NonStop NET/MASTER MS commands issued within a region affect only the user
that owns the environment.
This means that you may require a relatively high authority level to use a NonStop
NET/MASTER MS command that affects another user. An example is the