The GRUB2 setting that sets the default operating system to boot is called _. 1 year agoby Linux Questions The GRUB2 setting that sets the default operating system to boot is called _. › Category: Introduction to Linux I › Author "LinuxQuestions" › The GRUB2 setting that sets the default operating system to boot is called _. Vote Up 0 Vote Down Linux Questions Staff asked 1 year ago The GRUB2 setting that sets the default operating system to boot is called _____. GRUB_BOOT_DEFAULT GRUB_DEFAULT GRUB_TIMEOUT GRUB_DISTRIBUTOR Please login or Register to submit your answer Username or Email Address Password Remember Me FacebookXGoogle+PinterestLinkedIn