From Boot to User Space: A Practical tour of Operating Systems
From Boot to User Space: A Practical tour of Operating Systems When you turn on a computer, you see a short sequence before applications appear. This path from power on to a usable desktop is called the boot process. It starts with firmware (BIOS or UEFI) that checks hardware and finds a bootloader on storage. The bootloader then loads the kernel into memory and hands control to it. From this moment, the operating system begins its careful dance with hardware. ...