Richard Earnshaw <rearnsha@arm.com> writes:
> > The Merriam Webster Dictionary and the American Heritage Dictionary
> > both disagree with you. I tend to believe them.
> 
> Fowler (Modern English Usage)[1] prefers dropping the hyphen in this case.
> 
> In fact, he goes on to say that for technical words then the hyphen should 
> generally be dropped *if the reader can be expected to know the word 
> already*.

This brings up an interesting question -- is filesystem better than
file-system? I think so, but it isn't clear.

Perry