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Linux & Shell · Concept

Daemons

A daemon is a background service for the system or other processes. Modern Linux daemons should use systemd features instead of manually detaching from the terminal.

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  • systemd(1)
  • sd_notify(3)
  • sd_listen_fds(3)
  • sd-daemon(3)
  • systemd.exec(5)
  • systemd.socket(5)
  • systemd.unit(5)

Source: daemon(7) - Linux manual page. Checked 2026-11-03.