When did linux become caseless?

[Peter Corlett]

On Fri, Jun 15, 2007 at 10:58:49AM +0100, Dirk Koopman wrote:
> Subject says it all really. Just did "rm [A-Z]*" and had a load of files 
> with lower case first letters removed as well. Same thing happens for 
> "ls -d [A-Z]*"
> I am guessing that this some bash argument expansion option. Any ideas 
> as to how to get the correct behaviour?

That smells awfully like a locale problem. 

> Using Ubuntu.

It has a weird locale. "export LANG=C" should fix it (although break
localisations).