VERIFY

To check that files are saved to disk correctly; the system can re-read the disk when saving and verify (compare) with the data in memory.

Syntax
VERIFY [ON | OFF]By default the CMD shell has verify OFF
Windows Explorer will always copy with verify ON

Copying files can be up to twice as fast with verify OFF.

VERIFY without a parameter will display the current setting.

"VERIFY dummy_text" will set &qt;ERRORLEVEL&qt; to 1