- 找到grub配置文件
/etc/default/grub
- 修改GRUB_TIMEOUT值,默认是10,可修改为任意非负整数
# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cf[......]
/etc/default/grub
# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cf[......]