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Command Line Interface

Command Line Interface

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Command Line Interface

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  1. Command Line Interface

  2. History • IBM • 8086 processor • What did they do? • Outsourced to a small company

  3. Bill Gates • Purchased an OS • QDOS (Quick and dirty operating system) • Fixed it • MS-DOS =Microsoft Disk Operating System

  4. MS-DOS • Operating system using MS DOS • MS DOS 1.1 – Windows 7 • Vista & Windows 7 • PowerShell

  5. Command line • Why do we still use command line? • Major configuration • OS compatibility • You can configure faster • Remote trouble shooting takes less bandwidth

  6. DOS • How does DOS work? • It works like a conversation. • Example: • Computer: Want to watch a movie? • User: A good one • How do you access CMD?

  7. DOS VS GUI

  8. Filename limitations • Old standard (true dos) • Only 8 character long • New Standard • 255 character limitation • Using LFN= Long file name • Vista -Windows 7 • 260 Character limitation

  9. Illegal characters in a file name • What is an illegal character? • * " / \ | [ ] : ; = , • Why do we have illegal characters? • Programming • File path name (C:\Users\Administrator\AppData\)

  10. File Extensions • What is a file extension? • Examples: • .BAT .HTML .doc. docx .ppt .pptx • What does it do? • Let’s you identify the file with a program in windows

  11. File extension limitations • Old standard (true dos) • 3 characters • New standard • Same as file name limitations but…

  12. Warning