What is boot in linux

In Linux, boot is the core file for starting Linux; boot includes the configuration file of the system Kernel, the directory of the startup management program GRUB, the Initrd file, the main source of module supply at startup, and the system Kernel Variable correspondence table System.map and vmlinuz files.

#The operating environment of this tutorial: linux7.3 system, Dell G3 computer.

What is boot in Linux

/boot: The core file that starts Linux.

Files and directories in the /boot/ directory

When the Linux system is started locally, the directory /boot/ is very important. The files and directories in it are:

(1 ) The configuration file of the system Kernel;

(2) The directory of the startup management program GRUB, which contains the screens, configurations and stages (stage1, stage1.5, stage 2) that GRUB needs at startup. )document. See below.

(3) Initrd file is the main source of module supply when the system starts;

(4) System.map file is in the system Kernel Variable correspondence table;

(5) vmlinuz is the most important file during the startup process, because this file is the kernel used by the actual system.

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