Do you mean DOS or an NT command prompt? AFAIK, most BIOS updates are done in either DOS or GUI Windows. A command prompt only NT is a bit tricky, and not very useful anyway. A DOS booting USB stick ...

Windows Safe Mode with Command Prompt is a special startup mode that allows you to access Windows in a stripped down session where many drivers are not loaded, there is no networking, and the desktop ...

Before Windows 95, most PCs used to boot to DOS by default. While most of the time it led to people typing “WIN” at the C: prompt to get back to Program Manager, booting to a command line was ...