| 1. | Permissions may be changed later by users and programs using chmod.
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| 2. | The chmod numerical format accepts up to four octal digits.
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| 3. | :: chmod 700 just gives them file permissions no?
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| 4. | This is shown in the demonstration below as the " chmod ug + s"
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| 5. | Thus Chmod's proposal is the best.
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| 6. | The combination of these three components produces a string that is understood by the chmod command.
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| 7. | *For question 2, we have an article on chmod that explains all the options.
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| 8. | Most implementations of the chmod command also support finer-grained, symbolic arguments to set these bits.
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| 9. | The chmod command is also capable of changing the additional permissions or special modes of a file or directory.
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| 10. | Moreover how does one manipulate it-it's not something I've set or unset with chmod.
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