Topic summary

Booting process of Windows

Booting process of Windows

Process by which the Microsoft Windows of operating system family initializes The booting process of Microsoft Windows varies between different releases. DOS-based Windows Windows 1.x/2.x In Windows versions 1.01 to Windows 2.11, the system is loaded when WIN.COM is executed within MS-DOS. It then loads WIN100.BIN or WIN200.BIN and WIN100.OVL or WIN200.OVL, along with the configuration settings file WIN.INI. The default shell is the MS-DOS Executive (MSDOS.EXE). The modules GDI.EXE, KERNEL.EXE and USER.EXE, fonts, and the various device drivers (such as COMM.DRV, MOUSE.DRV, KEYBOARD.DRV) are incorporated in WIN100.BIN/WIN200.BIN and WIN100.OVL/WIN200.OVL. In Windows/386, WIN200.BIN starts WIN386.EXE. Windows 3.x/9x In Windows 3.x and 95/98/ME, the boot loader phase is handled by MS-DOS. During the boot phase, CONFIG.SYS and AUTOEXEC.BAT are executed, along with the configuration settings files WIN.INI and SYSTEM.INI. Virtual device drivers are also loaded in the startup process: they are most commonly loaded from the registry (HKLM\System\CurrentControlSet\Services\VxD) or from the SYSTEM.INI file. MS-DOS starts WIN.COM. In Windows 3.x, the WIN.COM starts DOSX.EXE (standard mode) o