Should I install the grub boot loader?

The UEFI firmware (“BIOS”) can load the kernel, and the kernel can set itself up in memory and start running. The firmware also contains a boot manager, but you can install an alternative simple boot manager like systemd-boot. In short: there is simply no need for GRUB on a modern system.

What is the default boot option?

The default boot entry is the entry that the boot loader selects when the boot menu time-out expires. You can change the default boot entry to ensure that the operating system configuration that you prefer is loaded automatically. For Windows, you can use BCDEdit to change the default boot entry.

How can I change the default in Grub boot loader?

Use a text editor as and edit the file /boot/grub/grub.conf to change the defaults. Look for the lines: or something similar. Change the ‘default’ to 1 and save the file. Reboot and Windows 7 should be the default startup. An .EDU email address from school or college can provide access to many benefits.

Is there a way to make Grub always default?

With a bit of command line trickery, you can get the default of grub to always be a particular grub entry – for example Windows – no matter when a new kernel is installed. In a terminal type: Highlight the entry you want to default to – for example Windows 7 in the screen-shot.

How to set Windows bootloader as default option?

(Save the file and close.) Now, on boot, you will AUTOMATICALLY boot to the default menu option, UNLESS you hold down the Shift -key at boot time. Then the grub2 menu will re-appear. Grub2 can be set to boot any system by default, but to change the order they appear in would be difficult.

Why does Grub boot into Linux at boot time?

At the boot time, on the grub screen, if you do not choose Windows for login within 10 seconds (default Grub timeout), it boots up into the Linux. This grub behavior creates problem if you prefer to have Windows as your primary OS.

Should I install the GRUB boot loader?

The UEFI firmware (“BIOS”) can load the kernel, and the kernel can set itself up in memory and start running. The firmware also contains a boot manager, but you can install an alternative simple boot manager like systemd-boot. In short: there is simply no need for GRUB on a modern system.

What is boot loader installation?

Under “Device for boot loader installation”:

• if you choose dev/sda, it will use Grub (Ubuntu’s boot loader) to load all systems on this hard drive.
• if you choose dev/sda1, Ubuntu need to be manually added to drive’s boot loader after installation.

What is the purpose of boot loader?

A boot loader is a critical piece of software running on any system. Whenever a computing system is initially powered on, the first piece of code to be loaded and run is the boot loader. It provides an interface for the user to load an operating system and applications.

How big should the reserved BIOS boot area be?

1 MB
“The partition table format in use on your disks normally requires you to create a separate partition for boot loader code. This partition should be marked for use as “Reserved BIOS boot area” and should be at least 1 MB in size.

What is a boot loading program?

A boot loader is a type of program that loads and starts the boot time tasks and processes of an operating system or the computer system. It enables loading the operating system within the computer memory when a computer is started or booted up. A boot loader is also known as a boot manager or bootstrap loader.

How does a boot work?

In computing, booting is the process of starting a computer. It can be initiated by hardware such as a button press, or by a software command. After it is switched on, a computer’s central processing unit (CPU) has no software in its main memory, so some process must load software into memory before it can be executed.

Where does the boot loader need to be installed?

The boot loader needs to be installed where the BIOS is looking for something to boot. To keep things simple, you usually have a disk drive where your computer boots from, you install a GNU/Linux system in that disk and the bootloader gets there too.

Where to install boot loader when installing Ubuntu 12.04?

Here’s an example that could help you out: if you choose dev/sda, it will use Grub (Ubuntu’s boot loader) to load all systems on this hard drive.

Where is the boot loader in the BIOS?

The BIOS will usually look for bootloaders in the Master Boot Record of hard drives, a small area in the beginning of the drive where you can put some code to be run. You can also have a bootloader installed at the beginning of a partition.

When wouldn’t you want to install GRUB bootloader?

You plan to boot the Linux you’re currently installing using the grub from another Linux installation on the same machine. You want to use GRUB legacy when the installer is pushing GRUB2 (or vice versa). You want to use LILO instead of GRUB for great justice. You want to use SYSLINUX instead of GRUB just to make life hard.