[CentOS] qeum on centos 8 with nvme disk

> so you can try like: virt-install -n NAME -r mem --vcpus=N --accelerate
>--os-type=X --os-variant=X --disk path=/dev/nvme0n1[pN] ...and so on.

Is there a command for virt-manager stuff that is just like qemu? Just
command line - I dont want the GUI popping up and all that stuff. I dont
need it creating all other files - just a simple command line ?  I have not
found that yet with my searching.
Thanks,

Jerry