Saturday, November 2, 2013

How To Change default OS In Ubuntu Dual-Boot

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Follow the Steps:

1. Check the order of Operating System at the time of startup. If Ubuntu is the latest OS in your computer, then it comes in first order. Previous OS like windows or other comes after that. Make sure the position of the OS which you want to make default.

2. Open the GRUB config file from the terminal. You can get Terminal by pressing CTRL + ALT + T.

3. At the terminal, type sudo gedit /etc/default/grub

4.Then enter password of the OS.

5. This opens GRUB’s configuration file in the default text editor of Ubuntu.

6. Change the default OS and timeout settings. Here, you have to change the order number of the default OS which you had already got from step no. 1

It looks like this:

GRUB_DEFAULT=0
#GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=02

Here, my default OS is in first order and timeout is set to 2 seconds.

7. Then update GRUB by typing sudo update-grub on terminal.

You are all done making default Operating System in Dual Boot in Ubuntu. Restart your PC and enjoy the change.

Written By Raju Dawadi
Raju is a Computer Engineering student in Nepal, tech and social media enthusiast, web developer, blogger experimenting with SEO and web analytics.


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