A handbook of PC-DOS and MS-DOS written for both novices and experienced users. This new edition has been updated to include information on the DOS shell, the new graphical user interface which lets users visually organize their hard disk files. Other features covered in the book include: managing files and directories on a floppy or hard disk system; working with printers, monitors and modems; automating frequently performed tasks with batch files; using the built-in text editor and database; complete version-specific reference to DOS commands with examples of each; 20 additional enhancements and utilities that enable MS-DOS 4 to support new monitors, hardware advances and foreign language translations.