009 Embedded Linux-ARM. StorageQueries and discussion related to usage of Linux on ARM based devices. Linux has been ported to a variety of CPUs which are not only primarily used as the processor of a desktop or server computer, but also ARM, AVR32, ETRAX CRIS, FR-V, H8300, IP7000, m68k, MIPS, mn10300, SuperH, and Xtensa processors, It is also used as an alternative to using a proprietary operating system and toolchain. » 009.04.Boot Loaders
009.04.91.29. Can you explain how the `01_users` script contributes to the security of the GRUB2 bootloader? What are its main functionalities in terms of user authentication and authorization?
Loading user configuration - It checks if there is a user cofiguration file ( `user.cfg` ) present in `/boot/grub`.
Setting user authentication - It checks for GRUB2_PASSWORD, defines Supersusers, exports Superusers and sets up password using `password_pbkdf2` command.