Explain the functions and responsibilities of the following components:
- Grub
- Kernel
- Shell
- GUI
GRUB
GRUB is liable for providing you with a menu of choices from that you'll choose the operating machine or surroundings you need. GRUB is additionally liable for booting the UNIX operating system kernel.
GRUB could be a boot loader that hundreds the UNIX operating system kernel. (It conjointly contains a type of applications.) it is the 1st piece of code that hundreds once a laptop boots up.
When the laptop computer is turned on for the primary time, the BIOS performs a Power-on Self-Test (POST) to make sure that the hardware, like RAM and disc drives, is operational.
The Master Boot Record (MBR), that could be a 512-byte sector settled at first on the Winchester drive, is then examined by BIOS.
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