解决CentOS下man 命令，没有帮助信息

Cannot open the message catalog "man" for locale "zh_CN.UTF-8"
(NLSPATH="/usr/share/locale/%l/LC_MESSAGES/%N")

No manual entry for abc

两种方法都试了才解决办法：

1、 yum install man-pages

3、 cp /usr/share/locale/en/LC_MESSAGES/man /usr/share/locale/zh/LC_MESSAGES/

参考：

http://blog.csdn.net/lw1a2/article/details/6991529

http://www.cnblogs.com/davidwang456/p/3563812.html