From the course: Cert Prep: LPIC-1 Exam 101 (Version 5.0)

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About SysVinit, systemd, and Upstart

About SysVinit, systemd, and Upstart - Linux Tutorial

From the course: Cert Prep: LPIC-1 Exam 101 (Version 5.0)

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About SysVinit, systemd, and Upstart

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System services are processes that are started by the OS and sit in the background waiting to answer requests. These services might include web servers, file servers, mail servers, and others. In Linux, a system service is called a daemon, spelled D-A-E-M-O-N. The term daemon was first used by programmers at MIT. They took the name from Maxwell's daemon, a being from a thought experiment that constantly works in the background. Maxwell's daemon came from Greek mythology, where a daemon was a genius or deity that was regarded as a good spirit or angel. In this sense, Linux daemons are good spirits working in the background, doing good deeds. The correct pronunciation of the Latin word "daemon" is dee-mun. However, it is common to pronounce Linux services dee-mun or day-mun, and both are acceptable. For this course, I'll use the original pronunciation of daemon. Due to Linux services being named daemons, you will notice…

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