. files

From Necowiki

The ._ are "resource forks" created by OS X. These might be fine on the HPFS drive but on network drives I find them annoying

Removing

• Easiest way is with a terminal, just run this in a parent directory and it will recurse down

find . -name '._*' -print0 | xargs -0 rm

or

find . -name "._*" -exec rm '{}' \; -print