Hacker News
The Linux Boot Process: From Power Button to Kernel
The article explains the Linux boot process from the power button press to the kernel's first operation. It details the steps involved in transitioning from real mode to protected mode and then to long mode (64-bit). It covers concepts like BIOS, UEFI, bootloaders, paging, page tables, and kernel address randomization. The article also discusses the role of registers, interrupts, control registers, and memory management during the boot process. Additionally, it provides a glossary of key terms related to the boot process for reference.
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