You absolutely have to use a text editor which can save files with Unix format. So do NOT use Notepad or Wordpad! Basically, any more or less advanced text editor is usually able to do that. There is a number of editors freely available that can be used.
If you do accidentally end up with files having MS-DOS style line
termination, then you may have to convert them to Unix format for some
Cygwin programs to operate on them properly. The program dos2unix
can be used to put them
back into Unix format as shown below:
$ dos2unix XYZ Dos2Unix: Cleaning file XYZ ...
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