How does one connect to Personal Oracle?

Personal Oracle8:

For Personal Oracle8, you must use the Bequeath Protocol Adaptor. The connect string is beq-local. The Oracle Net8 Easy Config utility must be run in order to have the TNSNAME.ORA file updated with the appropriate information. Start Net8 Easy Config and create a new service using the Bequeath (Local Database) protocol.

In order to connect with Oracle7 tools to the Oracle8 database, you need to define a TCP/IP listener in the LISTENER.ORA file and start it from a DOS window (lsnrctl80 start).

Personal Oracle7:

The connect string is 2: where is the instance ID. The default SID is ORCL. (no period)