How to Change the Grub timeout value in Centos 7 or RHEL7
This video shows how to change the Grub timeout value in centos 7 or RHEL7. Grub timeout means the amount of time taken by the Grub menu before loading an operating system. This helps in setting up of delay or rush of OS boot in production environment and also helps in selecting different kernel version to run at specific instance of time.