systemd is a suite of computer programs aimed to manage and interconnect different parts of a system. It is designed as a replacement for SystemV and LSB-style startup scripts, which have been prevalent since the 1980s. systemd consists of these components:
systemd is the glue that holds Linux systems together. systemd is a collection of building blocks, which handle services, processes, logging, network connectivity, and even authentication. In this article, I will show you how to work with services in systemd.