Boot process

How Linux typically starts up on a PC

• you switch on the computer

BIOS is shown and the devices are check

• the master boot record is executed
• the boot loader is executed
• the Linux kernel is executed
• the initrd is loaded/executed
• the init program is started
• the SysV init script are executed
  • one of them is dbus
• X Windowing system is started
• login manager is started
• user session incl. Desktop environment is started

See also

• http://wiki.linuxquestions.org/wiki/Boot_process