What is the difference between Bootloader and Boot Manager?

Question

As far as I know boot loader is the one who loads OS from ROM to RAM, then why Boot Loader is different as per OS.
And what is boot manager? Is Boot Manager is different as per OS?

Answer 1

The boot process has been changed over a period of time. As I understand it, boot process has been broken into two pieces, one is the "Boot Manager", which finds, presents and controls what can be booted, and the other is the "Boot Loader", which actually does the booting (load and run) of whatever is selected by the Boot Manager.

When the computer is initially powered on, the Boot Manager looks around and decides what candidates for booting are available, and which one has first priority. Unless it is interrupted (by you pressing the boot selection key) it will then try to pass control to whatever boot loader it decides comes first.

I hope it would be clear now :)

Comments

Yes, Its perfect,

Thank you :)

Answer 2

After power on , the bootloader is controlling the board and does not rely on the linux kernel on any way.
Windows Boot Manager (BOOTMGR) is a small piece of software, called a boot manager, that's loaded from the volume boot code, part of the volume boot record.
eg. GRUB ,a bootloader provides a user the choice to boot one of multiple operating systems installed on a computer or select a specific kernel configuration available on a particular operating system's partitions.