How do I prevent a line break between words?

[rbrinega]

I have a unix command in a a sentence in a document which will be seen as a
web page. With Word, how may I prevent that unix command from starting on
one line and finishing on another? I thought of using a non displaying
non-breaking hyphen between the words of the command, but I realized that if
someone were to cut and paste the command, they would have those hyphens in
their cut. I don't want the command to start on a line of its own unless the
whole command does not fit on the end of the previous line.
To be honest, I

 

[Suzanne S. Barnhill]

Insert a nonbreaking space using Ctrl+Shift+Spacebar.