+`--default <profile>`. The system-wide installation of autorandr by default
+calls autorandr with a parameter `--default default`. There are three special,
+virtual configurations called `horizontal`, `vertical` and `common`. They
+automatically generate a configuration that incorporates all screens
+connected to the computer. You can symlink `default` to one of these
+names in your configuration directory to have autorandr use any of them
+as the default configuration without you having to change the system-wide
+configuration.