Does cron @reboot run before systemd?

pdcribeiro asked:

A command defined as @reboot in the root crontab runs before or after systemd services?

Is it random or OS dependent?

My answer:

Cron jobs can only start when the cron daemon is running, and of course systemd starts the cron daemon like every other service.

If it is important to run a specific job before or after something else, consider using a systemd timer/service to schedule it.

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