https://wiki.archlinux.org/index.php/Kernel_parameters
It's easy to set it temporarily (by editing the boot menu when it shows up).
Don't forget to mark the topic as solved (by editing the first post) so that other people (including yourself sometimes) may find useful.
]]>systemd.unit=rescue.target
to the kernel command line. Parameters for sysvinit should also work b/c I think they are mapped to the appropriate systemd targets. But the underlying setting is not the "same as sysvinit" even though the same parameter may have the same effect due to the compatibility mappings.
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