Changing SQL Prompt to Custom value

set sqlprompt "_user '@' _connect_identifier > "

How to detect if the Java / JRE installed is 32 bit or 64 bit

Programmatically:

System.getProperty("sun.arch.data.model");

Command Prompt:

java -XshowSettings:properties -version

Look for the sun.arch.data.model - it should be either 32 or 64