Remove USB device from command line

Posted by Luke on Super User See other posts from Super User or by Luke
Published on 2012-06-29T20:01:16Z Indexed on 2012/06/29 21:19 UTC
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Windows

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command-line

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batch-file

I'm constructing a backup script for Windows 7, and the last action I want it to perform is to safely "remove" the USB drive that it is backing up to. I am under the impression that plugging the drive into the SAME USB port all the time will keep the same DEV_ID, correct me if I'm wrong. With a Command Line (or PowerShell), how can I tell Windows to safely remove the hardware automatically without user input?

Just as a place holder, other OSes that may have a way to do this would be great to know as well

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