How do I open grub menu from command line?

With BIOS, quickly press and hold the Shift key, which will bring up the GNU GRUB menu. (If you see the Ubuntu logo, you’ve missed the point where you can enter the GRUB menu.) With UEFI press (perhaps several times) the Escape key to get grub menu. Select the line which starts with “Advanced options”.

How do I open grub menu in Windows?

Fix Dual Boot system booting straight to Windows

In Windows, go to the menu.
Search for Command Prompt, right click on it to run it as administrator.
This is strictly for Ubuntu. Other distributions might have some other folder name.
Restart and you’ll be welcomed by the familiar Grub screen.

How do I list grub menu entries?

Use the list-menu subcommand of the bootadm command to list the GRUB menu entries that are currently on the system. This information is supplied by the grub. cfg file.

How do I list grub commands?

13.3 The list of command-line and menu entry commands

blocklist: Get the block list notation of a file.
boot: Start up your operating system.
cat: Show the contents of a file.
chainloader: Chain-load another boot loader.
cmp: Compare two files.
configfile: Load a configuration file.
debug: Toggle the debug flag.

What is GRUB command line?

GRUB provides maximum flexibility in loading the operating systems with required options using a command based, pre-operating system environment. The booting options such as kernel parameters can be modified using the GRUB command line. There is no need to specify the physical location of the Linux kernel for GRUB.

How do I open BIOS on Windows 10?

To enter BIOS from Windows 10

Click –> Settings or click New notifications.
Click Update & security.
Click Recovery, then Restart now.
The Options menu will be seen after executing the above procedures.
Select Advanced options.
Click UEFI Firmware Settings.
Choose Restart.
This displays the BIOS setup utility interface.

How do I open the dual boot menu in Windows 10?

On a Windows 10 PC with a UEFI BIOS, changing the boot order is a little bit different:

While signed in on your PC, use the Windows key + I to open the Settings app.
Click Update & security.
Click Recovery.
Under Advanced startup, click Restart now.
Click Troubleshoot.
Click Advanced options.

What is the GRUB command line?

How do I change GRUB command line?

Making Temporary Changes to a GRUB 2 Menu

Start the system and, on the GRUB 2 boot screen, move the cursor to the menu entry you want to edit, and press the e key for edit.
Move the cursor down to find the kernel command line.
Move the cursor to the end of the line.

What is GRUB rescue commands?

grub rescue> These commands are sufficient to investigate the contents of the drives, set prefix (path to the grub folder) and root (partition), load modules and boot. The rescue mode provides fewer commands than the normal GRUB prompt line, but also provides these additional commands: Command. Result / Example.

How to add menu entry to GRUB2 menu?

Once you have that two information that we need, we can now configure Grub menu entry. Then add the following lines according to your specifications. Replace 242a7abb-3547-4504-a9f8-bfbc479a3f0e with root partition’s uuid for one you’re adding, and /boot/vmlinuz-* with the location of your executable linux file.

How to start a Windows partition from the GRUB menu?

Just enter the command exit. It should take you to another menu that makes you select the Windows bootloader. The following worked for me with a GPT partitioned disk. Note that you can enter a command line from the grub boot menu and just type commands as above to test out different combinations.

How to add Windows 10 to the Grub list?

By this command the system will automatically detect your Windows installations and add them to the GRUB list. This solution provides a proper entry in the grub2 menu and chainloads directly into Windows 10 without reference to the BIOS. It comes from this webpage so I claim no credit.

Is there a menu entry for GRUB2 in Arch Linux?

As I’ve made Arch Linux my Primary OS, I was faced with a task of adding a Menu Entry to GRUB2 so that I could boot into my secondary OS ( Gentoo), by just selecting which one to boot to on Grub2 menu. This will work for any Linux distribution you want to dual boot with Arch Linux.