MCSE : Security Specialist
MS-DOS mode
Order
of execution for MS-DOS:
-
IO.SYS
-
MSDOS.SYS
-
CONFIG.SYS
-
COMMAND.COM
-
AUTOEXEC.BAT
NTLDR (NT Loader), BOOT.INI
Ntldr
is the operating system loader. Ntldr must be in the root directory.
Boot.ini is the file that Ntldr reads in order to know what options
and timeout to present.
Ntldr
reads the boot.in file, and displays the the operating systems Boot
Menu. If Windows NT/2000 is selected, NTLDR will run NTDETECT.COM.
If another OS is selected, NTLDR will load and run BOOTSECT.DOS, and
pass control to it.
Boot.ini is a hidden, read-only text file stored in the root of the
system partition.There are two sections to the boot.ini, boot loader
section and operating systems section.
The
boot loader section contains two parts.
-
timeout = number
-
The number following timeout is the seconds
that the boot menu will display before starting the boot
proccess. The default is 30.
-
default = option
-
After a time out, this option tells Ntldr which of
the menu items to use to continue booting
-
operating systems section contains a list of operating systems
to boot. Which includes the path and a description for the OS's.
|
