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06.015 How long can a DOS 3.3 file name be and what characters can it include?




Description

This article is from the Apple II Csa2 FAQ, by Jeff Hurlburt with numerous contributions by others.

06.015 How long can a DOS 3.3 file name be and what characters can it include?

         DOS 3.3 filenames may be up to 30 characters long, and must conform to the
following restrictions:

a.  The first character must have an ASCII code value greater than 63. This
excludes numerals, SPACE, and most punctuation. The "@" character is allowed as
well as letters, and some special chars such as "]", "~", "_", and a few
others.

b.  Commas and colons may not be used at all. Apart from these restrictions,
anything goes. All kinds of characters, including uppercase, lowercase,
numbers, symbols, and CONTROL characters can be used after the first character.

By:   Andy McFadden
    

 

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