The **$** is used to denote QBasic [Metacommand](Metacommand)s or as a [STRING](STRING) variable type suffix. ## Usage > $INCLUDE: 'QB.bi' * [$STATIC]($STATIC) denotes that all arrays can only be dimensioned once using [DIM](DIM). * [$DYNAMIC]($DYNAMIC) denotes that all arrays can be redimensioned using [REDIM](REDIM) ONLY. * [$INCLUDE]($INCLUDE) includes a BI file or QBasic Library in a program. The file name requires a comment before and after the name. * The [STRING](STRING) variable suffix MUST be used if the variable is not dimensioned in a DIM statement. The statement can also set a fixed string [LEN](LEN). ## See Also * [DIM](DIM), [REDIM](REDIM) * [Metacommand](Metacommand)