albibacsi

boot process

Jan 19th, 2019
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  1. bios loads mbr (<512 B)
  2. mbr load the boot loader (lilo, grub, ...)
  3. boot loader loads the kernel + initrd images
  4. kernel runs init (pid:1). Initrd = temp root fs + kernel drivers
  5. init starts programs for the given runlevel (0-6)
  6. /etc/rc.*/* scripts start various programs
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