Microsoft DOS bootcfg command
The bootcfg command is a recovery console command that enables a user to rebuild, view, and otherwise make changes to the boot.ini file.
The bootcfg command is a recovery console command that is available in the below Microsoft operating systems.
Use the BOOTCFG command for boot configuration and recovery
BOOTCFG /REDIRECT [PORT BAUDRATE] | [useBiosSettings]
|/SCAN||Scan all disks for Windows installations and display the results.|
|/ADD||Add a Windows installation to the boot list.|
|/REBUILD||Iterate through all Windows installations and allow the user to choose which to add.|
|/DEFAULT||Set the default boot entry.|
|/LIST||List the entries already in the boot list.|
|/DISABLEREDIRECT||Disable redirection in the boot loader.|
|/REDIRECT||Enable redirection in the boot loader with the specified configuration.
The above example would start the step-through for the creation of a new boot.ini on the computer.