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On Windows, you can click button "Create & Schedule Task", then Schedule Task.
You can run the task daily, weekly , monthly, and more types.
On Linux/macOS, you can use Crontab.
For example, set a daily cron job for splitting data file:
30 2 * * * /path/to/your/split_data_file.sh
It runs split_data_file.sh at 2:30 AM daily.