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I need to change permission for all the files on my hard disk [not system files]. I have retrieved more than 1.2 Lack files and I need permissions to delete or write those files .

marked as duplicate by karel, falconer, BuZZ-dEE, user117103, Florian Diesch Jan 23 '14 at 20:22

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sudo su

Enter your password

And now you can delete, write or do anything you want!

OR If you want to change the permissions:

sudo su

chmod -R 777 /home/user/

This will give read,write execute permission to every user for every file.But this is not recommended!

Please read

man chmod

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