# CLI reference


The `omero-train` command manages the training-data database that backs the napari labelling widgets.


[omero-train](../../reference/cli/omero_train.md)  
Manage the Omero Screen training-data database.


# Inspect


See what classifiers and annotations exist.


[list](../../reference/cli/list.md)  
List all classifiers.

[stats](../../reference/cli/stats.md)  
Show statistics for CLASSIFIER.


# Import and export

[migrate](../../reference/cli/migrate.md)  
Migrate existing .npy files into the database.

[export](../../reference/cli/export.md)  
Export training data for CLASSIFIER to a file.


# Destructive


Removes data from the database and from disk.


[delete](../../reference/cli/delete.md)  
Delete one or more classifiers.