How to edit /boot/config.txt?

I was trying to connect a 7" LCD display panel to Raspberry PI 2. Nothing is displayed. The manual says to edit /boot/config.txt file.Logged in as user 'pi', I am not able to edit it. How to edit this file?

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beacon_dave over 7 years ago

You will need to edit it as 'root' and not as 'pi'
https://www.raspberrypi.org/documentation/configuration/config-txt/

You should be able to use the 'sudo' command to elevate your privileges to superuser to edit the file
https://www.raspberrypi.org/documentation/linux/usage/root.md

e.g.:
sudo nano /boot/config.txt

https://elinux.org/R-Pi_configuration_file
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shantimohan over 7 years ago in reply to beacon_dave

ThanQ...Dave.

I was not knowing the text editor is 'nano'. It looks similar to 'vi'. Does it also work like 'vi'? I mean commands...
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beacon_dave over 7 years ago in reply to shantimohan

There is a very quick overview of Nano at:
https://www.raspberrypi.org/magpi/edit-text/
Steps 04 - 06 show you how to open, copy and paste, and save in the Nano text editor.
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beacon_dave over 7 years ago in reply to shantimohan

There is a very quick overview of Nano at:
https://www.raspberrypi.org/magpi/edit-text/
Steps 04 - 06 show you how to open, copy and paste, and save in the Nano text editor.
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