Identical to the
Syntax and Description
show homepath | show homes | show home
This command does not require an ADR home to be set before you can use it.
ADR Homes: diag/tnslsnr/dbhost1/listener diag/asm/+asm/+ASM diag/rdbms/orcl/orcl diag/clients/user_oracle/host_9999999999_11
"SET HOMEPATH" for information about how to set the homepath