This guide shall help you out in getting silent boot experience similar to macOS and Windows on Ubuntu on T2 Macs.
-
On the terminal, run
sudo gnome-text-editor /etc/default/grub
-
Change
GRUB_CMDLINE_LINUX_DEFAULT=""
toGRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
. If this is already done then directly follow step 4. -
Run