Slightly customizing a bootable live USB?

[Ralf Mardorf]

On Mon, 13 Sep 2021 14:48:17 -0400, Little Girl wrote:
>If you just want to add a couple of
>programs to the USB stick, you should be able to just put them onto
>the USB stick next to the ISO. We've done that successfully in the
>past and unless something has changed, it should still work.

Yesno,

it's possible via casper, when using ventoy, as I do, see
https://bbs.archlinux.org/viewtopic.php?pid=1948404#p1948404 .

I didn't read https://help.ubuntu.com/community/LiveCD/Persistence , but
casper is involved, too.

Regards,
Ralf