Changing OS Boot Option in Dual Window and Ubntu
These steps will provide you to change the default boot option from Ubuntu to Window .
Embedded Files
1. select the Advance option for Ubuntu
1. select the Advance option for Ubuntu
2. Then select the recovery mode and press -e for edit
2. Then select the recovery mode and press -e for edit
in edit rename - ro to rw then ctrl+x for saving
in edit rename - ro to rw then ctrl+x for saving
Drop down to root and enter the root password [ *********]
Drop down to root and enter the root password [ *********]
root@ubuntu01# usermod -aG sudo mishrark [ Replace your username]
This will change the normal user to super user privilege
root@ubuntu01# grep sudo /etc/grub [ for checking]
root@ubuntu01# sync
ctrl+D
Now click on Resume and enter the user password [********]
search for window:
mishrark@ubuntu01~$ grep "win" /boot/grub/grub.cfg
copy wth windows full path
and paste in :-
mishrark@ubuntu01~$ sudo vim /etc/default/grub\
Enter the password : [********]
grup-default=0[ so replace the 0 with window fulll loader path]
ESQ : wq for saving the changes
mishrark@ubuntu01~$ sudo update-grup
Now default boot option will be change from Ubuntu to windows
Now default boot option will be change from Ubuntu to windows
IInd option
$ sudo vi /etc/default/grub
$ sudo vi /etc/default/grub
GRUB_DEFAULT="Windows NT/2000/XP (loader) (on /dev/sda1)"
Open another Terminal :
grep menuentry /boot/grub/grub.cfg
sudo update-grub
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