Developer Guide Explains Bootloader Function and Secure Boot Process

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A bootloader is a small program that loads a device's operating system kernel into memory after hardware initialization. It acts as a critical link between the device's firmware and the operating system startup process. Secure Boot is a UEFI security feature designed to prevent unauthorized software like rootkits from hijacking the boot sequence. Common issues for developers include compatibility errors when Secure Boot is active with certain Linux distributions or disk formats. Understanding whether a system uses legacy BIOS or modern UEFI firmware helps troubleshoot these boot problems.

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