Help me changing admin user name

[sherpa]

Please teach me how to change admin user name? I though it is in config.php but I didn't found
One more thing
I wand user to grab link of their upload file to post in other Forum and blog but don't know how to do it

(https://coppermine-gallery.com/forum/proxy.php?request=http%3A%2F%2Fimg413.imageshack.us%2Fimg413%2F2999%2Fwwwir0.jpg&hash=9a8eb9f69af4aad0492ac97bdfac567713b0db6e)

[Joachim Müller]

We have a "one question per thread" policy you agreed to respect when signing up.

When searching for change admin username this is one of the threads I found: admin username change

[sherpa]

Sorry!!
and thanks for help