Grub Customizer 2.5.4 for Ubuntu

GRUB stands for GRand Unified Bootloader, that's the menu appearing before the startup when you may choose the OS to run.

Grub Customizer is a free application to personalize the Grub menu easily.

You can add and delete entries simply enabling or disabling checkboxes.

You can also change the order of the options and the preset one.

Of course, you can change the look of the window too.

If you want to personalize the GRUB, Grub Customizer will make it to be easier.