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So, I heard that it's possible to edit root files on Linux but if I trying to save the file I get this message:

They do not have the necessary authorisations to store the file. Please, check whether you have properly given the place, and try it once more.

So, how can I change root user?

  • 1
    Look up sudo. – Brick Dec 20 '18 at 17:38
  • Your question pops up again. Does the answer help you? – Ingo Nov 4 at 10:31
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To get root access you can prefix the commands with sudo, for example:

rpi ~$ sudo editor /etc/issue

To get permanent root rights for all following commands you can use:

rpi ~$ sudo -Es
root@rpi ~# editor /etc/issue
root@rpi ~# exit
rpi ~$

You should use this mode with care and leave it as soon as possible with exit. Unix isn't made to work interactive as root.

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