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I am BRAND new to Ubuntu.

I just installed it along with Win7 as dual-boot. I need to edit the grub file and reset the grub-timeout from 10 to 0. I have done this from the terminal with

sudo gedit /etc/default/grub

I then entered my password and got the gedit screen with the grub file on it. I then changed the timeout from 10 to 0. Now I find that gedit is marked as [Read-Only].

How can I save my file?

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    run with gksudo gedit /etc/default/grub. you may need to install sudo apt-get install gksu first if you get error "not installed gksudo"
    – αғsнιη
    Sep 29, 2014 at 14:29
  • Hi & welcome to AU. Try gksudo instead of sudo. It is the most efficient way of using the editor.
    – AzkerM
    Sep 29, 2014 at 14:29

2 Answers 2

Reset to default
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To edit configuration files, I would always use in your place a text-based editor:

sudo nano /etc/default/grub
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gksudo gedit /etc/default/grub is indeed the correct answer to your question, however, if you're brand new to Ubuntu, I'd advise you to install Grub Customiser.

Grub Customiser allows you to change a ton of parameters in grub without the risk of you making a fatal mistake. ;-) (Fatal to Ubuntu, not to you!)

In a terminal type:

sudo add-apt-repository ppa:danielrichter2007/grub-customizer
sudo apt-get update
sudo apt-get install grub-customizer

and then in the dash type: "Grub Cu" to open it…

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