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Aaron Andersen
5f7e8457af
Similar to systemd's RemainAfterExit=yes. Prevents the task from
re-running on runlevel re-entry and ensures the post: script runs
when explicitly stopped or when leaving valid runlevels.
Useful for tasks that set up persistent state like firewall rules:
task [2345] remain:yes \
post:/usr/sbin/teardown-firewall \
/usr/sbin/setup-firewall -- Firewall setup
Not supported for bootstrap-only tasks (runlevel S only) since these
are deleted immediately after completion.