Details of Boot Manager in Windows® 7
What is role of Boot Manager in Windows 7?
Windows 7 Boot Manager is a replacement for the NT Loader (NTLDR) that was found in the previous versions of Windows, Windows NT. It performs the function of displaying the menu for the operating system while the system boots up and also interprets the boot configuration data. You can start Windows Boot Manager by pressing the space bar. The user can also press the F8 key to start the advanced boot options. Windows 7 Boot Manager provides faster boot up and start up so that the user can easily start working with the operating system. Windows 7 operating system boot loader, winload.exe, is invoked by Windows Boot Manager which loads the operating system kernel and device drivers.
Role and features of Windows 7 Boot Manager are:
- Key management
- Quick boot up
Windows 7 Boot Manager provides better security for the system by selectively transferring the file required during boot up into the memory. Only when Windows is booted normally, does Windows 7 Boot Manager activate itself in the 'Approved' mode which means that Driver Signing enforcement is enabled and the debug mode is disabled. The main fuction of Boot Manager is to load the operating system loader and it does not transfer the components if the integrity of the components that are loaded are not verified.
Boot Manager in Windows 7 does not keep any secret cryptographic codes other than the three AES keys for the BitLocker feature of Windows 7. Windows 7 BitLocker allows the user to secure the data by providing encryption for the drive in which the data is stored. Boot Manager also verifies the digital signatures using the public keys stored on the hard disk.
Boot Manager allows the user to select the operating system that should be loaded and the menu for this operation is simplified and easy to use in Windows 7. Windows 7 Boot Manager protects a multi-boot operating system by providing password feature. You can also create a backup for operating system installation. The user can also hide partitions and operating system. The boot up time is also reduced in Windows 7 when compared to the previous version, Windows Vista.