Commercial SoftwareThis chapter explains the fundamentals of controlling the printer through yoiIt covers MS-DOS printing commands, and the fundamentals of setting uppackage for use with your printer, and some tips on writing BASIC programs toprinter. This information should help you get started, be sure to read ycdocumentation carefully for more details.DOS commands for printing ASCII text filesPRINT filenameTYPE filename > devicenameCOPY filename devicenameIf you have used a word processor or other software package to prepare youit is usually easiest to use that package's print commands to print it. This is parif the software lets you control a document's appearance—page length, marcfeatures, and so on.However, if your software does not control these kinds of features, it is just asusing DOS commands. Some packages even have a print to disk feature, soythe file on a disk in a format that DOS can later read and send to the printerPRINTPRINT is a background utility that lets you print a file while you are runrprogram. Once you have given the command to print your file, you can go оtask on your computer, without waiting until printing is finished.Note: PRINT is not a DOS command but a separate program, so if you want to use it, the file PRbe on one of your disks.2- 2