Win2grub

# save as `to-linux.bat` @echo off win2grub --set-next \EFI\ubuntu\grubx64.efi shutdown /r /t 5 (Runs the command and restarts in 5 seconds. Cancel with shutdown /a ) Did you accidentally delete GRUB? No problem. win2grub can also set Windows Boot Manager as the default:

win2grub solves the "90% Windows / 10% Linux" use case perfectly. You stay in Windows until you decide it’s Linux time. Under the hood, win2grub uses the Windows bcdedit utility to talk to the UEFI firmware. It tells your motherboard: "Hey, on the very next reboot, ignore the default boot order and launch GRUB first."

win2grub --set-next \EFI\ubuntu\grubx64.efi Your machine will boot straight into the GRUB menu. From there, pick your Linux distro. win2grub

Save this to your desktop and double-click it whenever you want "Linux mode":

After that one boot, the system reverts to the default. No permanent changes. No risk of bricking your bootloader. Step 1: Locate your GRUB .efi file. Usually, it’s at: \EFI\ubuntu\grubx64.efi or \EFI\fedora\grubx64.efi on your EFI System Partition (ESP). # save as `to-linux

If you spend 80% of your time in Windows but hate the "reboot-and-spam-keys" dance, give win2grub a shot.

win2grub --restore-windows win2grub won't win any beauty awards, but it will save you hundreds of key-presses over the life of your machine. It turns dual-booting from a frustrating interruption into a deliberate, one-click action. win2grub can also set Windows Boot Manager as

The win2grub way: One command. Restart. Linux.