links

Starting SQL*Plus

http://download-uk.oracle.com/docs/cd/B19306_01/server.102/b14357/ch3.htm#sthref718

Use sqlplus/rman可以直接修改命令和查看命令历史

http://www.linux010.cn/UniX/Shi-sqlplusrman-KeYiZhiJieXiuGaiMingLingHeChaKanMingLingLiShi-zhsw89.htm

Sqlplus doesn’t have a command history

http://linux.omnipotent.net/article.php?article_id=11901#Oracle