Definition of TARE. 1. : a deduction from the gross weight of a substance and its container made in allowance for the weight of the container; also: the weight of the container. 2. : counterweight.
A filename cannot contain any of the following characters: \ / : * ?  < > |. 1  Those characters have a functional meaning that affects the operating system's handling of the files and even recognizing that there is even a file if it had to encounter such a filename. I imagine you could rename within some version of Linux for example, but then I imagine you'd produce a file that Windows would hang up on.
Whenever you create a file with a long file name, Windows 2000 creates a conventional 8.3 name for the file and one or more secondary folder entries for the file, one for each 13 characters in the long file name. Each secondary folder entry stores a corresponding part of the long file name in Unicode.