grub-bios-setup:tldr:9720b
The command "grub-bios-setup --directory=${-boot-grub} ${-dev-sdX}" is used in Linux systems to install the GRUB (Grand Unified Bootloader) in the BIOS-based system.
Here is an explanation of each part of the command:
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"grub-bios-setup": It is the executable command used to install GRUB in BIOS systems.
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"--directory=${-boot-grub}": This option specifies the directory where the GRUB configuration files are stored. The "-boot-grub" variable is used to represent the actual directory path.
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"${-dev-sdX}": This part represents the device where GRUB will be installed. The "-dev-sdX" variable should be replaced with the actual device identifier, such as "/dev/sda" for the first hard drive or "/dev/sdb" for the second hard drive.
By running this command, GRUB will be installed in the BIOS system, allowing it to manage the boot process and provide a menu to select the operating system to boot.