1.6. Important [Install] section options

The following tables lists important options of the [Install] section.

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表 1.4. Important [Install] section options
Option ^[a]	Description
`Alias`	Provides a space-separated list of additional names for the unit. Most `systemctl` commands, excluding `systemctl enable`, can use aliases instead of the actual unit name.
`RequiredBy`	A list of units that depend on the unit. When this unit is enabled, the units listed in `RequiredBy` gain a `Require` dependency on the unit.
`WantedBy`	A list of units that weakly depend on the unit. When this unit is enabled, the units listed in `WantedBy` gain a `Want` dependency on the unit.
`Also`	Specifies a list of units to be installed or uninstalled along with the unit.
`DefaultInstance`	Limited to instantiated units, this option specifies the default instance for which the unit is enabled. See Working with instantiated units.
^[a] For a complete list of options configurable in the [Install] section, see the `systemd.unit(5)` manual page.