How does one list all installed Oracle products?

Submitted by admin on Sat, 2004-08-07 07:18.

One can display all installed products with version information by executing one of the following commands:

For Oracle 8i and above:

cd $ORACLE_HOME/install
cat unix.rgs

For Oracle7 up to 8.0:

cd $ORACLE_HOME/orainst
./inspdver