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-rw-r--r--docs/docs/reference/prune.md4
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This command deletes history entries matching the [history_filter](../configuration/config.md#history_filter) configuration parameter.
+These may be commands that match the current `history_filter` configuration, but were saved to history before the filter was set up, and therefore were not excluded from history at the time of execution.
+
+It may be useful to run the prune command after updating `history_filter` to remove old history entries that match the new filters.
+
It can be run with `--dry-run` first to list history entries that will be removed.
| Argument | Description |