Daemon (computing) - Wikipedia
https://en.wikipedia.org/wiki/Daemon_(computing)
In multitasking computer operating systems, a daemon is a computer program that runs as a background process, rather than being under the direct control of an interactive user. Traditionally, the process names of a daemon end with the letter d, for clarification that the process is in fact a daemon, and for differentiation between a daemon and a normal computer program. For exam…
DA: 91 PA: 81 MOZ Rank: 7