Segmentation fault (core dumped) occures when 32 bit and 64 bit oracle client install on same machine

Issue :- 

A “Segmentation Fault” error while trying to run sqlplus on a newly installed client/server. 
Also it may occures when 32 bit and 64 bit oracle client install on same machine

Cause :-
OS-related issue on RHEL 7 with Oracle SQL*Plus 12.1.0.2 32-bit client 


Solution 1:-

1.  Login as root user.
2. Create an empty file /etc/sysconfig/64bit_strstr_via_64bit_strstr_sse2_unaligned 


Solution 2:-

1. Go to $ORACLE_HOME/bin/
2. run ./relink



Thats It :)