SQL> select * from v$version;
BANNER
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Oracle8i Enterprise Edition Release 8.1.6.0.0 - 64bit Production
PL/SQL Release 8.1.6.0.0 - Production
CORE 8.1.6.0.0 Production
TNS for Solaris: Version 8.1.6.0.0 - Production
NLSRTL Version 3.4.0.0.0 - Production