unit files by quark98 from LinuxQuestions.org on 2021-02-01 22:36 (#5DM29) Hello everyone, i have one simple question about unit files. What's the reason of symlink in two directories for example: /lib/systemd/system/avahi-daemon.service -> /etc/systemd/system/dbus-org.freedesktop.Avahi.service if this looks same.