Here they are characteristic and explanations.
TeraCopy 3.1
It is a compact program designed to copy and move files at the maximum possible speed, providing the user a lot of features:- It uses dynamically adjusted buffers to reduce seek times. Asynchronous copy speeds up file transfer between two physical hard drives.
- Pause and resume file transfers.
- Error recovery. In case of copy error, it will try several times and in the worse case just skips the file, not terminating the entire transfer.
- Interactive file list. It shows failed file transfers and lets you fix the problem and recopy only problem files.
- Shell integration. TeraCopy can completely replace Explorer copy and move functions, allowing you work with files as usual.
- Full Unicode support.
Spotlight RichCopy
offers a number of granular controls that allow you to tailor file copying to your needs