（部分代码摘自互联网）
1. 修复引导项
如果只是纯粹的装了 win7/win8 后没有了引导项 可以在 win7/win8 中用 easybcd 把 /boot 添加回来就行了。
要是。。完全把引导弄坏了。可以看一下下面这篇文章。
Reinstall / Recover GRUB from Ubuntu live CD / USB
用 ubuntu live 装一个叫做 boot-repair 的东西 点修复 等运行完点 ok 就行了
sudo add-apt-repository ppa:yannubuntu/boot-repair
sudo apt-get update
sudo apt-get install -y boot-repair
boot-repair
2.ctrl + alt + cursor 切换工作区间
装了 ubuntu13.04 后第一个最大的感受就是。。我切换工作区间的快捷键怎么没有用了！！
当然先在设置中把 workspace 打开，还是不行
但在快捷键的列表中看到还是有这几个快捷键。。。最后在 ubuntuask 上看到了这么一个回答
“I had this same issue. I enabled workspace from
Appearance->Behavior, and also tried using Ubuntu Tweak, but no go on the keyboard shortcuts, even though all the defaults were there.
I then opened CCSM to make sure that the Desktop Wall was enabled. In my case it wasn't, and as soon as I enabled it, my keyboard shortcuts started working again.”
然后我就装了一下 CCSM，把 Desktop Wall 这个选项勾上。。结果真的完全恢复正常了。
3. 更新软件源 不知道是不是 163 的源里没有 13.04，我直接从 12.10 升级的时候悲剧了。
然后现在让它自动检测最快的源，现在就用 china 的第一个源，貌似也挺好用。
4. 双显卡
一开机笔记本就轰轰轰的掉点 就按以前的方法把独显关了算了 intel 的独显绝对够用了。
cat /sys/kernel/debug/vgaswitcheroo/switch
echo "OFF" > /sys/kernel/debug/vgaswitcheroo/switch
可以前好像出现过在 ubuntu 中把 nvidia 禁用了 结果 win7 中也开不起来了。
5. 输入法
以前还装了搜狗的输入法。感觉一般吧
这次在 ubuntu 中用了谷歌的输入法 真的给了我很大的惊喜
输入时光标终于能跟着拼音动 感觉和 windows 的体验也没什么区别了。
6. 开机的亮度
这肯定都知道吧
The file /etc/rc.local should look like this:
#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.
echo 0 > /sys/class/backlight/acpi_video0/brightness
exit 0
Per @zerdo: In my dell studio 1558 the brightness setting is stored in/sys/class/backlight/intel_backlight/brightness.
Just change the path if your computer doesn't use the acpi_video0 folder.
Also, per @Nick : If this is the only answer you read, note that the 0 in echo
0 is going to be your default brightness setting. I had set this up and it was driving me crazy for a long time : every time I booted up, it would set it to the lowest brightness setting. I prefer mine to start at max brightness, so I used echo
10instead. Your hardware might vary in brightness scale.
sudo gedit /etc/rc.local
在 exit 0 前加上
echo 2 > /sys/class/backlight/acpi_video0/brightness
0～10 代表不同的亮度。
作者：daya0576 （天津工大）qq 746058508 欢迎有志同道合的朋友一起学习一起进步
7. 截图小工具
sudo apt-get install ksnapshot
结果后来发现 ubuntu 有截图的快捷键
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总之 ubuntu 还是很棒的 和 windows 比起来 我更愿意留在 ubuntu～
（小菜一个 学习中 欢迎大家指出错误 >_<||| ）