# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
# info -f grub -n 'Simple configuration'
GRUB_DEFAULT=0 ------>设置默认启动项，按menuentry顺序。比如要默认从第四个菜单项启动，数字改为3，若改为 saved，则默认为上次启动项。
#GRUB_HIDDEN_TIMEOUT=0 ------>注释掉这行将会显示引导菜单
GRUB_HIDDEN_TIMEOUT_QUIET=true ----->隐藏菜单，grub2不再使用，不管
GRUB_TIMEOUT=10 ----->设置进入默认启动项的等候时间，默认值10秒，按自己需要修改
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" ----->添加内核启动参数，这个为默认
GRUB_CMDLINE_LINUX="" ----->手动添加内核启动参数，比如 acpi=off noapic等可在这里添加
# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"
# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL=console ----->设置是否使用图形介面。去除前面#，仅使用控制台终端，不使用图形介面
# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE=640x480 ----->设定图形介面分辨率，如不使用默认，把前面#去掉，把分辨率改为800x600或1024x768
# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true ----->设置grub命令是否使用UUID，去掉#，使用root=/dev/sdax而不用root=UUDI=xxx
# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true" ----->设定是否创建修复模式菜单项
# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1" ----->当GRUB菜单出现时发出鸣音提醒
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