zsh: corrupt history file解决方法

参考http://superuser.com/questions/957913/how-to-fix-and-recover-a-corrupt-history-file-in-zsh

mv .zsh_history .zsh_history_bad
strings .zsh_history_bad > .zsh_history
fc -R .zsh_history

putty中使用zsh无法显示绿色箭头

参考：http://blog.csdn.net/taoqick/article/details/40374425

需要更改putty字体，原来的字体设置无法显示箭头。

zsh安装

参考http://yijiebuyi.com/blog/b9b5e1ebb719f22475c38c4819ab8151.html

Linux中安装：

apt-get install zsh git wget

wget https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | sh

chsh -s /bin/zsh

MacOS中安装：

wget https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | sh

chsh -s /bin/zsh