Can I change devices permissions with chmod?

UNIX: Assuming that a file’s current permissions are rw-r-xr--, specify the chmod expression required to chang?

  • Assuming that a file’s current permissions are rw-r-xr--, specify the chmod expression required to change them to (i) rwxrwxrwx, (ii) r--r-----, (iii) ---r--r--, (iv) ---------, using both relative and absolute methods of assigning permissions.

  • Answer:

    Do your own homework.

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