- Basic Mapping Support
- Mapping
- Mapsets
- Paging
| - Data Management
- Indexed Files
- Journaling
- Sequential Files
- Temporary storage
- Transient data
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- Environment
- Data Areas
- Resource Definition Tables
- Startup and Shutdown
- Translator/pre-compiler
| - Management Functions
- Interval Control
- Recovery processing
- Storage Control
- Task Control
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- Program Control
- Program Termination
- Terminal Management
- Transferring Control
| - System Management Utilities
- Master Terminal
- Message Switching
- Resource Definition Online
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- Testing and Debugging
- Browsing Temporary Storage
- Command Interpreter
- Execution Diagnostics
| - Web Services
- 3270 Bridge Exits
- Transaction Gateway
- Web Support
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