What is GRUB (GRand Unified Bootloader)?
GRUB is a bootloader that is used to load the Linux kernel and init system on boot. It allows users to select the operating system or kernel to boot from a menu, as well as set various boot options. The GRUB configuration file, located at “/etc/default/grub”, contains various options that control the behavior of the bootloader. By editing this file, you can customize the appearance and behavior of the GRUB boot menu.
How to Edit GRUB on Linux Mint
To edit the GRUB (GRand Unified Bootloader) configuration on Linux Mint, follow these steps:
- Open a terminal window and gain root privileges by running the following command:
- Edit the GRUB configuration file using your preferred text editor. For example, you can use nano by running the following command:
- Make the desired changes to the configuration file. For example, you can change the default boot menu entry or set a different timeout value.
- Save the changes and exit the text editor.
- Update the GRUB boot menu by running the following command:
- Reboot your system to apply the changes.
Note: It is important to exercise caution when editing the GRUB configuration file, as incorrect changes can prevent the system from booting. It is recommended to make a backup of the file before making any changes.