Introduction to Operating Systems Lesson 2 Disk Operating System: DOS

Lesson 2 – Disk Operating System: DOS Objectives 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

Lesson 2 – Disk Operating System: DOS What Is DOS? 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 Install a new hard drive. Low-level format the drive (usually done by the manufacturer). Use FDISK to partition the new hard drive. High-level format the drive using the FORMAT command. Lesson 2 – Disk Operating System: DOS

Installing the Operating System Basic settings: DATE/TIME COUNTRY KEYBOARD INSTALL TO Lesson 2 – Disk Operating System: DOS

Basic Functionalities Environment Command-line user interface Command prompt Lesson 2 – Disk Operating System: DOS

Lesson 2 – Disk Operating System: DOS Basic Commands DIR MD CD EDIT TYPE PRINT COPY MOVE DISKCOPY DELETE RENAME RD Lesson 2 – Disk Operating System: DOS

Common DOS Error Messages 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 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) Invalid filename or file not found Invalid media, track 0 bad or unusable Invalid number of parameters Invalid parameter Invalid switch Non-system disk or disk error Not ready, reading drive X Write fault error Write protect Lesson 2 – Disk Operating System: DOS

Lesson 2 – Disk Operating System: DOS Summary 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

Lesson 2 – Disk Operating System: DOS Summary (continued) 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