I'm using at to schedule a task for a later time.

Will it survive a reboot, or should I re-assign all the tasks after reboot ?


It seems to be the case, the at action will be preserved after reboot, as answered here.

Yes they are persistent across reboots (they're just files in a spool).

Files used by at as detailed in the man page:


When you schedule an action, it will be stored in a file in /var/spool/at/<action_file>

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