Originally posted by sysdba
pando,

I could not see os from V$version:

SQL> select * from V$version;

BANNER
----------------------------------------------------------------
Oracle8i Enterprise Edition Release 8.1.7.2.0 - Production
PL/SQL Release 8.1.7.2.0 - Production
CORE 8.1.7.0.0 Production
TNS for Solaris: Version 8.1.7.2.0 - Production
NLSRTL Version 3.4.1.0.0 - Production

SQL>
Its Solaris.