A utility that makes it easy to edit the fie MSDOS.SYS. You only have chekc or uncheck the boxes and select some options from a pulldown menu. After clicking the Accept button, the actual editing will be done for you. Beside that MSDOS Editor does a lot more. First of all it makes a backup of the old file, to restore it when you might meet problems. And it also cleansup MSDOS.SYS Entries that are equal tothe Windows default values are removed, because the are not really needed. Beside that it moves all entries that are placed below the fill up lines above these lines, where they belong. This keeps the file clean and it makes it easy to see all properties at once whenever you might need to inspect the file with a normal text editor.