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Chapter 3

Chapter 3. DOS Ruth Watson. Objectives (1 of 2). Explain what DOS is Explain what GUI is Explain what a pipe is Demonstrate how to create a directory structure using DOS commands Demonstrate how to navigate a directory structure using DOS commands

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Chapter 3

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  1. Chapter 3 DOS Ruth Watson Operating Systems Concepts 1/e Ruth Watson Chapter 3

  2. Objectives (1 of 2) • Explain what DOS is • Explain what GUI is • Explain what a pipe is • Demonstrate how to create a directory structure using DOS commands • Demonstrate how to navigate a directory structure using DOS commands • Demonstrate how to use the DOS edit program Operating Systems Concepts 1/e Ruth Watson Chapter 3

  3. Objectives (2 of 2) • Explain what the 8.3 naming convention is • Differentiate between copying and moving files • Demonstrate how to use wildcard characters • Demonstrate how to redirect output using DOS commands • Demonstrate how to customize the command window interface • Demonstrate how to write a batch file Operating Systems Concepts 1/e Ruth Watson Chapter 3

  4. Introduction • Technology professionals must have a basic understanding of DOS, including: • Syntax • Paths • Switches • Command line statements • Batch files Operating Systems Concepts 1/e Ruth Watson Chapter 3

  5. Backslash Batch file Clone Forward slash GUI Partition Path Prompt Redirect Root Shell or user interface Standard output Switch Syntax Important Terms to Understand Operating Systems Concepts 1/e Ruth Watson Chapter 3

  6. What DOS is • Disk Operating System (DOS) • Around since the early 1980’s • Command line interface • There are many other command line OS’s, including: • Novell Netware • Unix • Linux • VAX/VMS Operating Systems Concepts 1/e Ruth Watson Chapter 3

  7. Understanding the Syntax Syntax: Rule to follow Command line help |more: Will show help options one screen at a time by using the pipe (|) Syntax: Rule to follow Command line attrib /?: Will tell you more about a command using the /? after the command name Operating Systems Concepts 1/e Ruth Watson Chapter 3

  8. Navigation Using DOS C:\ prompt: Dir/p: Current directory path Start & Accessories Operating Systems Concepts 1/e Ruth Watson Chapter 3

  9. Directory Structure Operating Systems Concepts 1/e Ruth Watson Chapter 3

  10. Directory Structure Continued Operating Systems Concepts 1/e Ruth Watson Chapter 3

  11. Using Wildcard Characters • Use wildcard characters to show multiple files with same name • Type tree.* • all files named tree will appear • Type tree *.* • all possible files will appear • Many uses for wildcards: • Copy all files tree *.* • Delete all files tree *.* Operating Systems Concepts 1/e Ruth Watson Chapter 3

  12. Redirecting Output • Command displays the directory structure of the partition • Don’t forget the pipe (|) • will show screen by screen Operating Systems Concepts 1/e Ruth Watson Chapter 3

  13. Command Windows Interface • Change the look of the command prompt window • Right-click the command line title bar • Options: • Font • Layout • Colors • More Operating Systems Concepts 1/e Ruth Watson Chapter 3

  14. Batch Files • Batch files contain a series of commands that a user might use often • Batch files are saved with a .bat file extension • For example: • Copying files and then delete • Move certain files and then delete • Create directories and then backup certain files Operating Systems Concepts 1/e Ruth Watson Chapter 3

  15. Batch Files Continued .bat file • When the .bat file is double clicked the commands run one at a time. Operating Systems Concepts 1/e Ruth Watson Chapter 3

  16. The True Power of DOS • DOS has been around for a while • professionals still find ways to use DOS • Excellent example: • The teacher creating a batch file to delete all documents placed in a class file as the computer runs • Backing up files using batch files is another great example Operating Systems Concepts 1/e Ruth Watson Chapter 3

  17. Summary • Typical computer users may never need to know DOS • Technology professionals need to know DOS • Understanding syntax, paths, command prompts, and batch files is a must for technology professionals Operating Systems Concepts 1/e Ruth Watson Chapter 3

  18. Questions? Operating Systems Concepts 1/e Ruth Watson Chapter 3

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