previous version of MS-DOS or Windows
3.1 if it was installed before.
||Starts in Safe mode.
Very few drivers are loaded and no backup of the
registry is made to prevent using a corrupt copy.
The screen resolution is VGA 640x480,
16 colors and network is not supported.
7 but ignores Config.sys
||Starts MS-DOS 7,
loads Config.sys et Autoexec.bat,
but does not load compressed drives.
||Starts in Safe
mode with network support.
|Starts with boot menu.
will ask for confirmation for each line in Config.sys