Is sudo shutdown now command safe to use?

I am using i3, so I don’t have the logout/shutdown GUI menu that’s present in the XFCE4 desktop. So, is using
$ sudo shutdown now
command within dom0 a safe way to shutdown the qubesOS, as in, the open qubes would be gracefully shutdown with no data loss, etc.?

No issue with it since shutdown will ask services to go down gracefully. Per preference I use shutdown -h now instead.

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