Summary
- BIOS is a program that controls the functionality of the server hardware components
- Modern computers do not have legacy BIOS residing in the ROM; instead, they are equipped with UEFI
- Tracks look like concentric circles and there are thousands of them on a disk
- Sectors are the tracks' divisions and their size depends on the file system that the server's OS uses
- A boot sector is the sector on a server's disk that contains the information to boot your server
- A boot loader is a program that loads the OS kernel into RAM
- In Windows OS there are two types of bootloaders: NTLDR and BOOTMGR
- The MBR is created when disk partitions are created too; however the MBR resides outside the disk partitions
- In Multi-booting, every time you turn on your computer, you will notice a boot menu that lists multiple OSes
- BCD represents a store consisting of specific files that enable control over what should happen when an OS boots
- A POST is a diagnostic test that verifies that the server hardware is working correctly...
