Datalight ROM-DOS Version 7.1 User’s Guide Printed: April 2002 Datalight ROM-DOS User’s Guide Copyright © 1993 - 2002 by Datalight, Inc. All Rights Reserved Datalight, Inc. assumes no liability for the use or misuse of this software. Liability for any warranties implied or stated is limited to the original purchaser only and to the recording medium (disk) only, not the information encoded on it. THE SOFTWARE DESCRIBED HEREIN, TOGETHER WITH THIS DOCUMENT, ARE FURNISHED UNDER A SEPARATE SOFTWARE OEM LICENSE AGREEMENT AND MAY BE USED OR COPIED ONLY IN ACCORDANCE WITH THE TERMS AND CONDITIONS OF THAT AGREEMENT. Datalight, the Datalight logo, FlashFX and ROM-DOS are trademarks or registered trademarks of Datalight, Inc. Microsoft and MS-DOS are registered trademarks of Microsoft Corporation. All other trademarks are the property of their respective holders. Part Number: 3010-0200-0306 Contents Chapter 1, Introduction...........................................................................................................1 Conventions Used in this Manual .......................................................................................1 Terminology Used in this Manual.......................................................................................1 Random Access Memory (RAM) ................................................................................2 Read Only Memory (ROM).........................................................................................2 Disks and Disk Drives.........................................................................................................2 Floppy Disks................................................................................................................2 Hard Drives..................................................................................................................2 RAM Disks ..................................................................................................................2 ROM Disks ..................................................................................................................3 Flash Memory Disks ....................................................................................................3 Recommended Texts...........................................................................................................3 Chapter 2, Files, Directories, and Command Line Entries...................................................5 Naming Files.......................................................................................................................5 Long Filenames............................................................................................................5 Standard 8.3 Filenames................................................................................................5 Filename Extensions ....................................................................................................6 Tree-Structured Directory System.......................................................................................6 Naming Subdirectories.................................................................................................7 Moving around the Directory Tree ..............................................................................7 Drive Specifications.....................................................................................................7 Using Wildcard Characters without Long Filename Support..............................................8 Using Wildcard Characters with Long Filename Support...................................................8 System Prompt ....................................................................................................................9 Command Line....................................................................................................................9 Redirecting Input and Output............................................................................................10 Input Redirection .......................................................................................................10 Output Redirection.....................................................................................................10 Chapter 3, Using Batch Files.................................................................................................13 Batch Filenames................................................................................................................13 Creating a Batch File.........................................................................................................13 Batch File Command Line Parameters..............................................................................13 Batch File Commands.......................................................................................................14 Chapter 4, Configuring ROM-DOS .....................................................................................15 Basic Configuration ..........................................................................................................15 Using Multiple-User Configurations.................................................................................15 Extending Menu Items to AUTOEXEC.BAT...................................................................17 Bypassing CONFIG.SYS and AUTOEXEC.BAT Commands.........................................18 Stepping Through CONFIG.SYS and AUTOEXEC.BAT Commands.............................18 Environment Variables......................................................................................................19 Configuring ROM-DOS for International Use..................................................................19 Changing Country Conventions .................................................................................20 Displaying Different Code Pages...............................................................................21 Printing Different Code Pages ...................................................................................21 ii Changing the Keyboard Layout .................................................................................21 Configuring Your System: an Example......................................................................23 Chapter 5, Command Descriptions.......................................................................................25 Command Summary..........................................................................................................25 Command Descriptions.....................................................................................................28 ? .................................................................................................................................29 @................................................................................................................................29 ; ..................................................................................................................................30 ANSI.SYS..................................................................................................................30 ATA.SYS...................................................................................................................31 ATTRIB.....................................................................................................................32 BACKUP ...................................................................................................................33 BREAK......................................................................................................................34 BUFFERS ..................................................................................................................34 BUILD .......................................................................................................................35 CALL.........................................................................................................................35 CHDIR (CHange DIRectory).....................................................................................35 CHKDSK (CHecK DiSK) .........................................................................................36 CHOICE.....................................................................................................................37 CLS (CLear Screen)...................................................................................................39 COMM.......................................................................................................................39 COMMAND ..............................................................................................................39 COPY.........................................................................................................................40 COUNTRY ................................................................................................................42 CTTY (Change TeleTYpe)........................................................................................43 DATE.........................................................................................................................43 DEFRAG ...................................................................................................................44 DEL (DELete)............................................................................................................45