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DR DOS 6.0 User Guide

second edition In English
DRI P/N 1182-2004-001
Publisher: Digital Research Inc.
August, 1991


The product describe in this manual is DR DOS, a disk operating system (DOS) which is designed to run on Intel® 8088, 802086, 386, i486 and compatible microprocessors.

This manual is intended for people who are using DR DOS for the first time, and for those people who are already familiar with DOS but want information on this version.

Table of Contents
 
Preface i
 
1 Getting started with DR DOS 1
1.1 Essential concepts2
Memory
2
Disks
3
The do's and don'ts of handling diskettes
5
Drives
8
Files and directories
8
DR DOS: the operating system
8
1.2 Different disk configurations9
1.3 Preparing the disks for use10
Preparing a hard disk
10
Preparing diskettes
10
1.4 How to install DR DOS11
Introduction
11
Starting the INSTALL program
12
1.5 Getting started at the command line16
The system prompt
16
Changing between drives
16
Entering instructions
17
Some simple commands
18
Getting help on commands
20
1.6 Copying your master diskettes20
Twin disk drive systems
21
1.7 Using other applications21
 
2 Basic command concepts 23
2.1 Command types24
Internal commands
24
External commands
24
Batch processing subcommands
26
Config.sys commands
26
2.2 Entering commands27
Command syntax
27
Specifying drives
28
2.3 Displaying data a screenful at a time28
2.4 Stopping commands28
 
3 Managing your information 29
3.1 Storing data in files30
Naming files
30
Filenames you should not use
31
Handling groups of files (using wildcards)
32
Handling groups of files (using filelists)
34
3.2 Using directories to organize your files35
The current directory
37
Special directory symbols
37
3.3 Specifying paths38
The PATH command
39
PATH and the autoexec.bat file
40
3.4 Working with directories41
Listing directories (the TREE command)
41
Making a directory (the MKDIR command)
42
Displaying and changing directories (the CHDIR command)
43
Renaming directories (the RENDIR command)
44
Removing a directory (the RMDIR command)
44
3.5 General actions on files45
Copying files (the COPY command)
45
Moving files (the MOVE command)
45
Deleting files
46
Displaying file contents (the TYPE command)
46
Renaming files (the RENAME command)
46
Printing files (the PRINT command)
47
3.6 Keeping track of where you are48
 
4 Protecting your information 49
4.1 Making backup copies of disks50
Backing up your hard disk
50
Restoring BACKUP files
53
Copying diskettes
54
4.2 Protecting files with the password command55
What is a password?
55
Setting passwords
56
Issuing passwords
56
Password-protecting directories
57
Global system passwords
57
Removing passwords
58
A note on password-protection
58
4.3 File attributes and the ATTRIB command59
4.4 Securing the system60
 
5 Recovering your information 63
5.1 File Recovery Aide64
DISKMAP
64
DELWATCH
64
5.2 Recovering deleted files (the UNDELETE command)64
 
6 Switching tasks 67
6.1 Loading TaskMAX68
Loading TaskMAX automatically
68
Loading TaskMAX from the command line
69
6.2 Displaying TaskMAX menu69
6.3 Adding tasks71
Checking there is space for tasks
72
6.4 Switching between tasks73
6.5 Copying data74
6.6 Deleting tasks78
6.7 Removing TaskMAX79
6.8 Configuring TaskMAX79
Configuring TaskMAX via SETUP
79
Configuring TaskMAX from the command line
81
6.9 TaskMAX and the DR DOS environment85
6.10 Important notes on using TaskMAX86
 
7 The EDITOR 91
7.1 Starting EDITOR92
7.2 Quitting EDITOR92
7.3 Entering text93
Using the Tab key
94
Moving text down a line
94
Entering control characters
94
Entering character codes
94
Getting online help
95
7.4 Moving the cursor95
To move the cursor one character
95
To move the cursor one word
95
To move the cursor one page
95
To move the cursor to the start or end of a line
96
To move the cursor to the start or end of a file
96
The cursor-control diamond
96
7.5 Inserting and overwriting text97
Inserting a file at the cursor
97
7.6 Deleting text97
Deleting a character
98
Deleting a word
99
Deleting a line
99
7.7 Working with blocks of text100
Marking a block of text
100
Moving a block of marked text
100
Deleting a block of marked text
101
Copying a block of marked text
101
Storing a block of marked text in a file
101
7.8 Saving your work101
7.9 Automatic backup files102
7.10 Technical details103
Writing to the screen
103
7.11 Command summary104
 
8 Redirecting input and output 107
8.1 Using redirection108
Redirecting output
108
Redirecting output to or from a device
108
Appending output
110
Redirecting input
110
8.2 Using pipes and filters110
Pipes
110
Filter commands
111
Combining pipes and redirection
112
 
9 Grouping commands in batch files 113
9.1 Using batch files114
9.2 Creating batch files115
9.3 Running batch files115
Stopping a batch file
116
9.4 Making general purpose batch files116
Environment variables
118
9.5 Batch file subcommands118
Command conventions
120
9.6 The autoexec.bat file136
 
10 DR DOS commands 137
10.1 Command syntax explained138
10.2 Editing commands at the command line141
Extended command line editing
143
DR DOS control key combinations
144
10.3 Command symmary145
10.4 The DR DOS command set150
 
11 Customizing your system 353
11.1 Using SETUP354
11.2 SETUP and the DR DOS configuration files354
11.3 Config.sys commands356
Command conventions
356
11.4 Installable DR DOS device drivers397
11.5 The autoexec.bat file430
 
12 Using MemoryMAX 433
12.1 What is MemoryMAX?434
12.2 MemoryMAX and your computer platform436
12.3 Experimenting with MemoryMAX441
12.4 Potential memory conflicts444
12.5 Third-party memory managers445
 
13 Optimizing your disk 447
13.1 DISKOPT448
Before using DISKOPT
448
Using the DISKOPT menu
448
13.2 Super PC-Kwik Disk Accelerator451
Introduction
451
Loading Super PC-Kwik
452
Super PC-Kwik options
453
Troubleshooting
469
13.3 SuperStor (SSTOR.EXE)471
Preparing for SuperStor
472
Installing SuperStor
472
About disk compression
473
Running SuperStor
473
Using your SuperStor disk
477
Notes about compatibility
478
 
14 Setting up code page switching 481
14.1 What does code page switching mean?482
Code Page 850
484
Limitations of Code Page 850
484
In summary
485
Hardware supported
485
14.2 Setting up code page switching485
14.3 Example config.sys and autoexec.bat files486
Example config.sys file
487
Example autoexec.bat file
488
14.4 Working with code pages489
Changing between code pages
489
Using MODE SELECT
489
Listing your current code pages
490
Refreshing lost code pages
490
 
A Error messages and troubleshooting 491
A.1 Error messages492
A.2 Troubleshooting557
Troubleshooting checklist
557
Diskette handling
558
Corrupted files
559
When absolutely nothing happens
559
Unresolvable errors
559
 
B Character sets for code pages supported by DR DOS 561
 
C Memory 575
C.1 What is memory?576
C.2 Types of memory576
Lower and conventional memory
577
Upper memory
579
Extended memory
580
High memory
581
XMS (Extended Memory Specification)
581
Expanded memory
581
C.3 Checking on your computer's memory usage582
 
D The SID debugging tool 583
D.1 About SID583
Starting SID
584
Quitting SID
584
SID command conventions
584
Specifying a 20-bit address
585
Hexadecimal number
585
Decimal numbers
585
Character values
585
Operators in expressions
586
D.2 SID commands587
D.3 Default segment values617
D.4 Assembly language syntax (A and L commands)620
 
E Microsoft Windows 623
E.1 Microsoft Windows and DR DOS624
 
F Using Novell NetWare workstation shells 627
F.1 USing Novell Netware with DR DOS and TaskMAX628
Installing RPLFIX.COM
629
 
Glossary 631
 
Index 647



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This page has been created by Sami Rautiainen.
Read the small print. Last updated Jun 26, 2004