export GRUB_MENU_PICTURE="/boot/grub/wallpaper.png"
export GRUB_COLOR_NORMAL="white/black"
export GRUB_COLOR_HIGHLIGHT="black/white"

/dev/sda1: clean, 201776/60878736 files, 4991277/243040256 blocks

loglevel=       All Kernel Messages with a loglevel smaller than the
                console loglevel will be printed to the console. It can
                also be changed with klogd or other programs. The
                loglevels are defined as follows:

                0 (KERN_EMERG)          system is unusable
                1 (KERN_ALERT)          action must be taken immediately
                2 (KERN_CRIT)           critical conditions
                3 (KERN_ERR)            error conditions
                4 (KERN_WARNING)        warning conditions
                5 (KERN_NOTICE)         normal but significant condition
                6 (KERN_INFO)           informational
                7 (KERN_DEBUG)          debug-level messages


quiet       [KNL] Disable most log messages

linux      /vmlinuz-4.4.0-21.generic.efi.signed root=/dev/mapper/encrypted ro loglevel=4

linux      /vmlinuz-4.4.0-21.generic.efi.signed root=/dev/mapper/encrypted ro quiet