vi /etc/inputrc 

大约在第40行，找到page up page down的用法，去掉前面的#号，重启终端即可

40 # alternate mappings for "page up" and "page down" to search the history
41  "\e[5~": history-search-backward

42  "\e[6~": history-search-forward

转载自：http://blog.csdn.net/clydezhou/article/details/6841077