How Linux works under the hood

How Linux works under the hood

When you power on your system running Linux, below are the details of the magic that happens :

1. You power on your machine
2. Basic Input/Output System (BIOS) initializes and checks the hardware components.
3. BIOS passes it to the boot loader, which is stored in the storage device like a hard disk. One of the standard boot loaders is GRUB. It loads the kernel image and file system to memory.
4. Kernel picks up the baton from boot loader. Kernel checks system hardware and initializes device drivers
5. The initial RAM Disk contains program and binary files that will mount the filesystem.
/sbin/ini is the primary process that starts many other processes to run the system. Initiates the login screen.
6. The above steps could lead you to bash or GUI

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Source : LinkedIn

Credits: Mr. Mahesh Mallikarjunaiah ↗️