Preserve the Mode, Ownership and Timestamps
Linux, Windows and Apple Mac File Hashing GUI Tool
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tedtechnology
The copy tab/function should include the option to preserve the mode, ownership and timestamps. Something like the "cp -p" option. Resetting the timestamp causes most "check version/timestamp and do something" routines to fail. IMHO, preserving the attributes should be the default, but including the option is very important.