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The tool used here is rlwrap.

You can learn about http://utopia.knoware.nl/~hlub/uck/rlwrap/ at this link

Wget http://utopia.knoware.nl/~hlub/uck/rlwrap/rlwrap-0.42.tar.gz

Yum install-y readline readline-devel this is what it depends on.

Tar xf rlwrap-0.42.tar.gz

Cd rlwrap-0.42

Of course, you can check readme and install before compiling.

. / configure & & make & & make install

Then switch to the oracle user

Su-oracle

[oracle@oracle alert] $rlwrap sqlplus / as sysdba

SQL*Plus: Release 11.2.0.1.0 Production on Tue Oct 18 09:13:15 2016

Copyright (c) 1982, 2009, Oracle. All rights reserved.

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.1.0-64bit Production

With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL > show user

USER is "SYS"

SQL > exit

For better combination, remove rlwrap and directly use sqlplus / as sysdba

So make an individual name in the home directory.

Echo "alias sqlplus='rlwrap sqlplus'" > > / home/oracle/.bash_profile

Source / home/oracle/.bash_profile

At this point, the work is done.

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