grub-mkpasswd-pbkdf2 - generate hashed password for GRUB
grub-mkpasswd-pbkdf2 [OPTION...] [OPTIONS]
Generate PBKDF2 password hash.
Number of PBKDF2 iterations
Length of generated hash
Length of salt
give this help list
give a short usage message
print program version
Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.
Report bugs to <bug-grub@gnu.org>.
The full documentation for grub-mkpasswd-pbkdf2 is maintained as a Texinfo manual. If the info and grub-mkpasswd-pbkdf2 programs are properly installed at your site, the command
info grub-mkpasswd-pbkdf2
should give you access to the complete manual.