Try 'man dos2unix'.
For the impatient:
That should do it!
The reason I mentioned the multiple possibility is in case you D/L'ed
other files that could possibly be in DOS format. If you fix XFConfig-4
as above and don't get any more errors then your OK.
> I tried the vi command on my XF86Confiq-4 file, but the pattern "^M"
> was not found anywhere in the file. As for the dos2unix command, I
> don't really understand how to use it, and what do you mean when you
> say I have multiple txt files, how could that be possible?