What happens when a computer boots in 6 steps

Card Puncher Data Processing


A article that lists the steps that are taken when a computer is starting.


Documentation / Reference

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Card Puncher Data Processing
Basic Input/Output System (BIOS)

The is a non-volatile firmware used: to perform hardware initialization during the booting process (power-on startup), and to provide runtime services for operating systems and programs. The BIOS...
How to disable your firewall in rescue mode ?

When working with firewalls, the unexpected can happen and you can be locked out of your server or vps. Many VPS provider provides a rescue mode that permits to rescue your server. This how-to shows you...
Linux - Boot (Init service system)

The Init system is the first process (as PID 1) started by a operating system at system startup that start all other service (ie services) The following are possible init system: bash...
Card Puncher Data Processing
OS - Boot Loader

The boot loader is a loader that load the OS. The boot loader is called by the BIOS during the computer booting process (power-on startup). The boot process for embedded device was revolutionized by...
Process States
What is a Service?

A service is a process that: runs continuously in the background are started by the operating system when the system starts. It's declared and managed by the OS init system. With the init system,...

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