Device name for usb transfer between computers?

Anyone know the name of that thing (I saw it on tv before) where you can connect two computers together and transfer files or data between with a usb cable? Do you know the produce name or know anything about it? Do you have the link for it on the web? Thank you for any help. (I am thinking of getting a new... show more Anyone know the name of that thing (I saw it on tv before) where you can connect two computers together and transfer files or data between with a usb cable? Do you know the produce name or know anything about it? Do you have the link for it on the web? Thank you for any help. (I am thinking of getting a new computer and I have a ton of stuff to take off the old one and put on the new one.) This would be cool to use if it was cheap and worked good.
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