If no file name is provided, GDisk prompts the user (interactively) for the command-line parameters. Filename provides GDisk with the name of the text file that includes multiple GDisk commands./BATCH tells GDisk that it will be executing multiple GDisk commands.Disk tells GDisk which fixed physical disk (1 through 8) the commands apply to.GDisk's batch mode uses the following command-line format: The operations can be specified interactively at a DOS command-line, or they can be supplied in advance in a text file. The batch mode switch, /BATCH, allows GDisk to perform multiple operations with a single command.