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This article mainly explains "what does boot refer to in linux". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "what does boot mean in linux"?

In linux, boot is the core file to start linux; in boot, it includes the configuration file of system Kernel, the directory of startup management program GRUB, the main source Initrd file of module supply at startup, and the corresponding table System.map and vmlinuz file of variables in system Kernel.

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

What is boot in linux

/ boot: launch the core file of Linux.

Files and directories in the / boot/ directory

When the Linux system starts locally, the directory / boot/ is very important, and the files and directories are:

(1) configuration file of system Kernel

(2) the directory of the startup management program GRUB, which stores the screen, configuration and files of each stage (stage1, stage1.5, stage 2) needed by GRUB when it starts. See the picture below.

(3) Initrd file is the main source of module supply when the system is started.

(4) the corresponding table of variables in the system Kernel when System.map files

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

At this point, I believe you have a deeper understanding of "what boot refers to in linux". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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