Boot the System Directly into a Root Bash Shell from the GRUB Bootloader#

Access the GRUB menu#

Hold down the left Shift key during reboot to bring up the GRUB menu.

Select the desired boot entry#

Use the arrow keys to highlight the GRUB boot menu entry you wish to use.

Edit the GRUB boot commands#

Press e to edit the GRUB boot commands for the selected boot menu entry. You will see a screen similar to this:

Modify the Linux boot command#

• Scroll down to the line starting with linux.
• Move the cursor to the end of this line and add the following:

rw init=/bin/bash

After the modification, the line should look something like this:

Boot with the modified options#

Press Ctrl+X or F10 to boot using the modified kernel options.