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out of date.
Open Command
Use to load an existing program so you can run it
or make changes to it.
Use the New command to create a new program.
Note: To open a file created with GW-BASIC or BASICA, the
file must be saved from GW-BASIC or BASICA with the
,A option.