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Operating System Fundamentals

Operating System Fundamentals. Personal Computer Operating Systems Windows User Interface Components Windows File System Management Windows System Management Tools. Microsoft Windows. Most popular desktop and server OS Windows GUI Wide application and device support

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Operating System Fundamentals

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  1. Operating System Fundamentals • Personal Computer Operating Systems • Windows User Interface Components • Windows File System Management • Windows System Management Tools

  2. Microsoft Windows • Most popular desktop and server OS • Windows GUI • Wide application and device support • Minimum 32-bit processing • Native networking • Built-in accessories • Often preinstalled

  3. Microsoft Windows Versions • Windows 7 Editions • Windows Vista Editions • Windows XP Editions • Windows Server 2008 • Windows Server 2003 • Windows 2000 • Windows Me • Older Windows Versions

  4. UNIX User session User session User session • Kernel/shell architecture • Multiplatform • Multitasking • Multiuser • Built-in networking • Robust development platform • Many different licensed versions Shell Shell Kernel Shell Shell CPU Shell Shell

  5. Kernel and Shell Applications Utilities Installation Media Vendor Support Linux • Open-standard UNIX derivative • Brainchild of Linus Torvalds • Open code can be downloaded and revised • Can purchase distribution from vendor

  6. Apple Macintosh Operating Systems • Multiuser support • UNIX derivative • Safari web browser • TCP/IP networking • Security features • Hardware device support

  7. The Windows Desktop Desktop Icons Background Graphics Start Button Taskbar

  8. The Taskbar Notification Area Start Button Buttons for open programs

  9. The Start Menu Current User Recently opened programs Programs, tools, and documents Search Field

  10. Windows Explorer Explorer Bar Contents of selected item

  11. The Desktop Gadget Gallery

  12. Windows Aero

  13. Computer/My Computer Folders and Storage Devices Task Pane

  14. The Documents/My Documents Folder Each user’s personal files

  15. The Control Panel Graphical Interface Configuration Utilities

  16. The Windows XP Control Panel

  17. The Command Prompt Text-based Commands Text Input Text Output

  18. Network and Internet/My Network Places My Computer View Network Resources

  19. Directories and Folders Folder Hierarchy Directory (Folder) Organizes files and folders

  20. File Extensions Indicates function of file Indicates function of file Separated by period Usually 3-4 characters

  21. File Attributes • Archive • Hidden • Read-Only • System • Index (Windows only)

  22. Windows File System Types • FAT: Floppy disks, very small drives • FAT32: Enhanced for larger drives • NTFS: Recommended for Windows-based computers • Media file systems: Such as CDFS FAT/FAT32 NTFS Media File Systems

  23. Permissions

  24. NTFS File Permissions • Read • Write • Read & Execute • Modify • Full Control

  25. NTFS Folder Permissions • List Folder Contents • Read • Write • Read & Execute • Modify • Full Control

  26. Windows 7 UAC

  27. Shares

  28. Windows Shared Folder Permissions

  29. The Computer Management Console Single Console Hierarchical view of utilities Applicable Actions Contents of selected node

  30. MMC

  31. Disk Management

  32. The Registry Value Names Value Data Subtrees Keys

  33. Reflective Questions 1. What operating systems do you have personal experience with? What operating systems would you like to learn more about, and why? 2. Which of the Windows system components and tools discussed in this lesson were familiar to you? Which ones were new?

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