In computing, a daemon is a program that runs as a background process, rather than being under the direct control of an interactive user.
데몬 -> 내 컴퓨터에 악마가 삼 -> 나 몰래 일을 함 -> 진짜임
데몬 -> 내 컴퓨터에 악마가 삼 -> 나 몰래 일을 함 -> 진짜임