┌──────────────────────────┤ Configuring grub-pc ├──────────────────────────┐
│ A new version (/tmp/grub.IFhWU7zAnf) of configuration file
│ /etc/default/grub is available, but the version installed currently has
│ been locally modified.
│ What do you want to do about modified configuration file grub?
│ install the package maintainer’s version
│ keep the local version currently installed
│ show the differences between the versions
│ show a side-by-side difference between the versions
│ show a 3-way difference between available versions
│ do a 3-way merge between available versions (experimental)
│ start a new shell to examine the situation