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Copyright Pearson Prentice-Hall 2010 2 3 4 5 Why?

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Presentation on theme: "Copyright Pearson Prentice-Hall 2010 2 3 4 5 Why?"— Presentation transcript:

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2 Copyright Pearson Prentice-Hall 2010 2

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5 5 Why?

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15 Copyright Pearson Prentice-Hall 2010 15 XYZ

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23 Copyright Pearson Prentice-Hall 2010 23 CategoryWindowsUNIX Number of permissions 6 standard, 13 specialized if needed Only 3: read (read only), write (make changes), and execute (for programs). Referred to as rwx For a file or directory, different permissions can be assigned to Any number of individual accounts and groups The account owner A single group, and All other accounts

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43 43 I had 69 out of date themes!!!!!!

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68 68 Lets say this is computer memory running an application. The application is paused to get data So the address of where the application is before interruption is stored So we can return after getting data, but the return address is overwritten and after the pause, a new program begins processing Overwrites Return Address

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89 Copyright Pearson Prentice-Hall 2010 89 You like beef? click here. You like beef? click here. http://www.micosoft.com

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