grub2-set-bootflag - Man Page

'grub-set-bootflag <bootflag>', where <bootflag> is one of:

boot_success menu_show_once

The full documentation for grub-set-bootflag is maintained as a Texinfo manual.  If the info and grub-set-bootflag programs are properly installed at your site, the command

info grub-set-bootflag

should give you access to the complete manual.