mv - move (rename) files
[SYNOPSIS] mv OPTION SOURCE DEST
option
-i prompt before overwrite
# mv -i file /etc
-f do not prompt before overwriting
# mv -f file /etc
-b like --backup but does not accept an argument
# mv -b file /etc
-u move only when the SOURCE file is newer than the destination file or when the destination file is missing
# mv -u file /etc