OpenFile= systemd.service (5) Options= systemd.mount (5), systemd.swap (5) PAMName= systemd.exec (5) PIDFile= systemd.service (5) PartOf ... PollLimitIntervalSec= systemd.socket (5…systemd.device (5), systemd.mount (5), systemd.automount (5), systemd.swap (5), systemd.target (5), systemd.path (5), systemd.timer (5), systemd.sliceunit configuration systemd.special (7) — Special systemd units systemd.swap (5) — Swap unit configuration systemd.syntax (7) — General