This document describes how to use the Basic Services of Adabas Online System (AOS), including each of its Basic Services menus and screens.

This document is provided for Adabas system administrators using the Adabas Online System to maintain their Adabas databases and files.

Getting Started	Describes how to access Adabas Online System, the main menu, and describes the Adabas Online System Demo version.
Monitoring Adabas Sessions	Describes how to use AOS to perform session monitoring functions, including how to display nucleus parameters, session statistics, buffer sizes for queues and areas, and maintenance levels.
Maintaining Checkpoints	Describes how to list and delete checkpoint information using AOS.
Maintaining Files	Describes how to perform file maintenance using AOS. File maintenance allows you to maintain Adabas fields and files, including allocating file space and changing file parameters. It also allows you to control ISN/storage block reuse.
Maintaining Databases	Describes how to use AOS to control Adabas database (ASSO/DATA) file and space allocation, DIB blocks, and to recover space unused by abended utilities.
Performing System Operator Command Functions	Describes how to use AOS to perform various system operator command functions.
Reviewing the Database Report	Describes how to use AOS to review the database report, corresponding to selected functions of the report produced by the ADAREP utility.
Calculating Space Requirements	Describes how to use AOS to calculate the space requirements for your Adabas database.
Troubleshooting Options	Describes how to locate and use AOS troubleshooting options for your Adabas database.