17. Backing Up and Restoring the Database : Backup by Checkpoints : Checkpoint Template File
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Checkpoint Template File
A file called the checkpoint template file, cktmpl.def, drives the checkpoint and roll forward operations. The cktmpl.def file allows you to customize backup and recovery processes and provides additional information tracking.
The II_CKTMPL_FILE environment variable overrides the default cktmpl.def file for a particular user. This override must be used when testing modifications to the cktmpl.def file before it is made available to the entire installation so that other users in the installation are not affected.
For checkpoint template codes and parameters, see Checkpoint Template File Description.