On Mar 3, 2008, at 11:21 AM, David Bronder wrote:

I've never been clear on what's generally different about the EN_US
versus the en_US filesets (not just with TSM).

My notes from prior pursuits:

EN_US                                   English, United States
locale, Code Set
                                        Table UTF-8, as per LANG
environment
                                        variable.
En_US                                   English, United States
locale, Code Set
                                        Table IBM-850, as per LANG
environment
                                        variable.
en_US                                   English, United States
locale, Code Set
                                        Table ISO-8859-1 (/usr/lib/
nls/loc/), as
                                        per LANG environment variable.

     Richard Sims