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Explain the process of booting

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Explain the process of booting.


  • The boot process starts by executing code in the first sector of the disk, MBR.
  • MBR looks over the partition table to find the Active Partition.
  • Control is passed to that partition’s boot record (PBR) to continue booting.
  • The PBR locates the system-specific boot files (such as Win98’s io.sys or WinXP’s ntoskrnl).
  • Then these boot files continue the process of loading and initializing the rest of the OS.


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