debian, grub2, run level edit /boot/grub/grub.cfg
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 menuentry 'Debian GNU/Linux, with Linux 2.6.32-5-686-bigmem run level 3' -class debian -class gnu-linux -class gnu -class os { insmod part_msdos insmod ext2 set root='(hd0,msdos7)' search -no-floppy -fs-uuid -set ca201e81-b7d4-4cb1-9a68-707dab19738a echo 'Loading Linux 2.