Fixed the occurrence of the ^ H character in the sqlplus client command line in oracle and the inability to use the historical command line
1. Installation
Rpm-ivh rlwrap-0.37-1.el6.x86_64.rpm
two。 Modify the .bash_profile in the oracle home directory, and finally add it to the .bash _ profile file
Alias sqlplus='rlwrap sqlplus'alias rman='rlwrap rman'alias lsnrctl='rlwrap lsnrctl'
3. Reread .bash _ profile
Source .bash _ profile