Transcript Slide 1

Introduction to Operating
Systems
Lesson 2
Disk Operating System:
DOS
Gorman, Stubbs, & CEP Inc.
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Objectives
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Understand why DOS is important to Windows 3.1
and Windows 9x users.
Prepare the hard disk for installation of DOS.
Install DOS correctly on your personal computer.
Create and use directories for file management.
Create, view, print, copy, move, delete, and rename
files in DOS using the text editor.
Recognize common error messages in DOS.
Lesson 2 – Disk Operating System: DOS
What Is DOS?
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DOS stands for Disk Operating System.
DOS is the underlying operating system of
Windows 3.11, 95, and 98.
You may need DOS commands to
troubleshoot or repair these older Microsoft
operating systems.
Lesson 2 – Disk Operating System: DOS
Preparing for Installation
1. Install a new hard drive.
2. Low-level format the drive (usually done by
the manufacturer).
3. Use FDISK to partition the new hard drive.
4. High-level format the drive using the
FORMAT command.
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Lesson 2 – Disk Operating System: DOS
Installing the Operating System
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Basic settings:
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DATE/TIME
COUNTRY
KEYBOARD
INSTALL TO
Lesson 2 – Disk Operating System: DOS
Basic Functionalities
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Environment
Command-line user interface
Command prompt
Lesson 2 – Disk Operating System: DOS
Basic Commands
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DIR
MD
CD
EDIT
TYPE
PRINT
COPY
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MOVE
DISKCOPY
DELETE
RENAME
RD
Lesson 2 – Disk Operating System: DOS
Common DOS Error Messages
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Abort, Retry, Fail?
Access denied
Bad command or file
name
Bad or missing command
interpreter
Drive not ready error
Duplicate filename or file
not found
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File cannot be copied
onto itself
File creation error
File not found
General failure
Insufficient disk space
Internal stack overflow
Invalid directory
Invalid drive specification
Lesson 2 – Disk Operating System: DOS
Common DOS Error Messages
(continued)
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Invalid filename or file not
found
Invalid media, track 0 bad
or unusable
Invalid number of
parameters
Invalid parameter
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Invalid switch
Non-system disk or disk
error
Not ready, reading drive X
Write fault error
Write protect
Lesson 2 – Disk Operating System: DOS
Summary
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DOS controls the flow of information between you
and the computer, allows you to store information on
your computer, allows you to retrieve information
stored on your computer, interprets and translates
the software you have on your computer, gives you
access to all its functions, and allows you to fix your
system when Windows 3.1 or 9x cannot load
properly.
Lesson 2 – Disk Operating System: DOS
Summary (continued)
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You prepare your hard drive to hold data by using two
external utilities: FDISK and Format.
Install DOS correctly on your personal computer.
Create and use directories for file management.
Create, view, print, copy, move, delete, and rename files
in DOS.
There are many commands in DOS that help you do
more things with the operating system.
Recognize common error messages.
Lesson 2 – Disk Operating System: DOS