Control Language (CL)

This topic provides the information necessary for system programmers and system administrators to write programs using the Control Language commands. In this topic you will also find an alphabetical list of the base operating system commands for easy retrieval.

• What's new for V4R5
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• Monitorable messages
• OS/400 commands
• OS/400 objects
• Command description format
• Command parts
• Command syntax
• About syntax diagrams
• CL character sets and values
• Object naming rules
• Naming within commands
• Folder and document names
• Expressions in CL commands
• Command definition statements