You Asked: What Are Targets in Linux?
Contents a Unit Configuration File Whose Name Ends in “. Target” Encodes Information About a Target Unit of Systemd, Which Is Used for Grouping Units and as...
A unit configuration file whose name ends in “. target” encodes information about a target unit of systemd, which is used for grouping units and as well-known synchronization points during start-up. This unit type has no specific options. See systemd.
What are systemd targets?
Using Targets (Runlevels)
In systemd , “targets” are used instead. Targets are basically synchronization points that the server can used to bring the server into a specific state. Service and other unit files can be tied to a target and multiple targets can be active at the same time.
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What is multi-user target?
target means that the systemd-service will start when the system reach runlevel 2.