修改linux系统启动时默认等待时间

以我的Fedora12为例,系统启动时默认等待时间为15秒。

这个参数的值是在文件/boot/grub/grub.conf

打开这个文件,可以看到内容如下:

# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE:  You have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /boot/, eg.
#          root (hd0,0)
#          kernel /vmlinuz-version ro root=/dev/mapper/vg_linux-lv_root
#          initrd /initrd-[generic-]version.img
#boot=/dev/sda
default=0
timeout=15
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Fedora (2.6.31.5-127.fc12.i686.PAE)
    root (hd0,0)
    kernel /vmlinuz-2.6.31.5-127.fc12.i686.PAE ro root=/dev/mapper/vg_linux-lv_root  LANG=zh_CN.UTF-8 KEYBOARDTYPE=pc KEYTABLE=us rhgb quiet
    initrd /initramfs-2.6.31.5-127.fc12.i686.PAE.img

其中的timeout=15就表示等待时间为15秒,如果将它改为5,再保存重启机器,就能看到效果了!

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