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2.1.5.2.1 8.3 Filename

An 8.3 filename (also referred to as a DOS name, a short name, or an 8.3-compliant filename) is a filename that conforms to the following restrictions:

  • An 8.3 filename MUST only contain characters that can be represented in ASCII, in the range below 0x80.

  • An 8.3 filename MUST NOT contain the " " space character.

  • An 8.3 filename MUST NOT contain more than one "." period character.

  • The general form of a valid 8.3 filename is a base filename, optionally followed by the "." period character and a filename extension.

    • The base filename MUST be 1-8 characters in length and MUST NOT contain a "." period character.

    • The filename extension, if present, MUST be 1-3 characters in length and MUST NOT contain a "." period character.

 
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