DictionarydemonBackground process
noun

demon

A computer process that runs in the background.

The background demon checks for new jobs.

Etymology

Greek daimōn named a spirit. Computing adopted daemon, also written demon, for an unseen background worker, using the spirit image for a process that quietly performs supporting tasks.

More examples

  • The system started a demon to handle incoming requests.
  • Several demons continued running after the main program closed.
  • The administrator restarted the failed demon.

Forms

demon · demons

Similar words

daemon
The usual computing spelling for this background process.
service
A background program providing a function, with platform-specific usage.