AS/400 User Guide
AS/400 Operating System
The OS/400 Operating System provides the tools you will use to run the AS/400 hardware
System. It allows you to run multiple jobs regardless of any other programs running at the
same time.
The major functions of the OS/400 program are:
Control Language is the set of commands used to talk with the computer.
Data Management allows the user to define and use data files.
Work Management controls many jobs, including jobs run by a single user and jobs run
by other users.
Programmer Services provide support for online program development and testing.
System Operator Services provide a menu for easy access to frequently used operator
functions.
Communication Support allow AS/400 System to communicate with other types of
systems as well as other AS/400 Systems.
Security protects the data.
PC Support allows personal computers to be attached to AS/400 as programmable
workstations.
DMS Systems Corp. 3
October 13, 2003
Version 1.0
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