Hot keys for copy / move are here and here. If you want to copy/move files in there own folder press twice F5 or F6.
While file copy/move/rename a file rename mask can be specified:
File rename mask.
Usual values are: "*.*" or empty. Then file name remain unchanged.
Instead of masks, a file name can be specified. If you copy a number of files, you effectively concatenate files together.
Here you can press F2 to select only the file name without extension, extension along or the whole name.
Substitution of rename masks from the list.
Fixing the state of the button More / Less.