what files are these? and how do I remove them?

[Michael Johnson]

here is what happens when i try to move the files to a different file 
system

gentoo:/ root$ mv usr/src/.fa .
mv: usr/src/.fa/sync: Bad file descriptor
mv: usr/src/.fa/stty: Bad file descriptor
mv: /bin/cp: terminated with 1 (non-zero) status: Cross-device link