Checking fsck on startup (design)?

Question

linux

When you first start the system from a flash drive, a check appears on how I want to change the logo and the inscription on the screen, because I’m doing my distro, I can’t find where it changes, the whole Internet has already climbed .. it’s
not clear where the logo and text come from. and file location.

Answer 1

in initrd, but since init is created from the file one, the files also have it, but the version from init is used.

Answer 2

https://www.makeuseof.com/tag/customize-boot-splas...

Answer 3

Do you mean this ?