Commodore PC 20 - Page 174

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136

MS-DOS User's Reference

Cis

Clearing your screen

Cis

Purpose:

Clears

the

terminal screen.

Syntax:

cis

Comment:

This

command

clears

your

terminal

screen

sending

the

ANSI

escape

sequence

(ESC[2J)

your

console.

Example:

To clear

your

screen, type

the

following:

cis

[]

Main Page

Table of Contents7
Introduction11
About the Commodore PC11
About Your PC User Documentation12
Unpacking and Setting up Your Equipment15
Checking What You Received15
Setting up and Connecting the Equipment16
The System Unit16
FIGURE 2. PC 10-2 System Unit17
Connecting the Keyboard to the System Unit18
FIGURE 3. Power Cable Connection to the System Unit18
Connecting a Monitor to the System Unit19
The ATI Graphics Solution Adapter20
Video Modes20
Connecting Accessory Equipment (Peripherals)21
Connecting a Parallel Printer21
Connecting a Serial Printer22
FIGURE 6. Connecting a Centronics (Parallel) Printer to the System22
FIGURE 7. Connecting an RS 232 C (Serial) Printer to the System22
Connecting an External Modem23
The First Steps27
What to Do First27
What Is an Operating System27
What Is MS-DOS27
Starting or Booting MS-DOS28
FIGURE 9. Write-Protect Tab29
FIGURE 10. Inserting the System Disk29
The Opening Screen Display30
The Cursor31
Adjusting the Screen Display31
Setting the Date and Time31
If You Make a Mistake31
Using the Keyboard31
The A> Prompt32
What's on the Disk32
How to Quit34
Appendices35
List of Filename Extensions37
List of Logical Device Identifiers39
Special Key Sequences41
0.2.1 Installation Instructions47
0.3.1 Software Supplied48
0.3.2 Mode Switching Software48
Special Note for Using49
0.3.4 Configuring Your Application Software49
0.3.5 Running Wordstar in 132 Column Mode50
0.4.1 the ATI Graphics Solution51
Co-Existence with Other Video Adapters52
0.6 for Advanced Users53
0.6.1 Video Memory Organization53
Video Data Format57
0.6.3 Mode Select Registers58
0.6.4 Programming the 684561
Ati Graphics Solution Specifications62
0.8 Diagnostics and Troubleshooting64
110 Address Jump Settings on Motherboard67
DIP Switch Settings69
Pin Definitions for Parallel Port (Centronics)71
Pin Definitions for Serial Port (RS 232 C)73
Welcome79
What Is MS-DOS80
Before You Begin80
How to Use this Guide82
Learning about MS-DOS83
Terms You Should Know84
Program84
File84
Filename85
Directory85
Volume Label85
Disk Drive85
Drive Name86
Commands87
Keys You Use with MS·DOS87
Special Keys88
Control Key Combinations88
The Return Key89
Learning about Disks, Files, and Directories91
Floppy Disks92
Disk Protection93
Hard Disks94
The Format Command95
How to Name Your Files95
Invalid Filenames96
Directories96
Getting Started99
How to Start99
Ms-Dos99
How to Quit101
How to Make a Backup Copy of Your MS·DOS Disk101
If You Have a Hard Disk103
If You Have Only One Floppy Disk Drive105
Using Commands107
File Commands107
The dir Command107
The Copy Command109
The del Command110
The Rename Command111
The Type Command111
Disk Commands113
The Format Cqmmand113
The Diskcopy Command115
Using Applications with MS-DOS117
How to Run Application Programs117
How to Create a File with Edlin118
Summary120
Index125
Description 10126
Appendix134
Modes135
Introduction137
About this Manual137
How to Use this Manual138
More about Files and Directories139
Before You Start139
File Protection140
How MS-DOS Keeps Track of Your Files140
Multilevel Directories141
Paths144
Pathnames144
Wildcards146
The ? Wildcard146
Using Directories147
How to Create a Directory148
How to Change Your Working Directory148
How to Display Your Working Directory148
How to Delete a Directory149
How to Rename a Directory150
About Commands151
Types of MS-DOS Commands151
Redirecting Command Input and Output154
How to Redirect Your Output154
Filters and Pipes155
Command Pipes155
MS-DOS Commands157
About this Chapter157
Command Options158
More about Options159
MS-DOS Commands160
Batch Processing239
Why Use Batch Files? 10239
How to Create Batch Files239
About Batch Processing240
What Is an Autoexec_Bat File241
How to Create an Autoexec_Bat File243
How to Create a Batch File with Replaceable Parameters244
How to Run a Batch File245
How to Use Temporary Files246
Batch Processing Commands246
Echo247
For248
Goto250
Pause252
Rem253
Shift254
MS-DOS Editing and Function Keys255
Special MS-DOS Editing Keys255
How MS-DOS Uses the Template255

Commodore PC 20 - Page 174

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