Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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 KEYWORDS               Items in capital letters are Basic keywords. Keywords
                        are a required part of the statement syntax, unless
                        they are enclosed in brackets.
 
 placeholders           Items in lowercase are placeholders for information
                        you must supply in the statement (such as a
                        filename$). The QBasic syntax uses data-type suffixes
                        for placeholders that must be a specific data type.
                        Placeholders that can be more than one data type do
                        not have data-type suffixes.
 
 [optional item]        Items inside square brackets are optional.
 
 {choice1 | choice2}    Braces and a vertical bar indicate a choice between
                        two or more items. You must use one of the items in
                        the statement unless the braces are enclosed in
                        square brackets.
 
 item, item, ...        A horizontal three-dot ellipsis means more of the
                        preceding items can be used in a single-line
                        statement.
 
 Beginning keyword      A vertical three-dot ellipsis is used to describe
 .                      multiline statements (or block-structured
 .                      statements). It means that other statements can be
 .                      used between the beginning and the end of the block.
 Ending keyword