How to Modify Grub.cfg in Red Hat Enterprise Linux 7 so that Grub2 Detects Windows Installation ??

How do I Edit Grub Cfg?

To have your changes take effect, simply save the text file — File > Save in Gedit or Ctrl + O and then Enter to save the file in Nano — and then run the sudo updategrub command. Your changes will become part of the grub. cfg file and will be used each time you boot your computer.

How do I Change Grub to Grub2?

Open a terminal. The method varies depending on the Ubuntu release.
Optional: Make backup copies of the main GRUB 2 directories and files. sudo cp /etc/default/grub /etc/default/grub.old.
Remove GRUB 2.
Install GRUB 0.97.
With grub installed, the user must still create the menu.
Reboot.

How do I Reconfigure Grub in Linux?

Place your SLES/SLED 10 CD 1 or DVD in the drive and boot up to the CD or DVD.
Enter the command "fdisk -l".
Enter the command "mount /dev/sda2 /mnt".
Enter the command "grub-install --root-directory=/mnt /dev/sda".
Once this command completes successfully reboot your system by entering the command "reboot".

What is Boot Grub2 Grub Cfg?

cfg file . The grub. cfg file is the GRUB configuration file. It is generated by the grub2mkconfig program using a set of primary configuration files and the grub default file as a source for user configuration specifications. The /boot/grub2/grub.