[oracle@data admin]$ lsnrctl services

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 16-OCT-2007 18:12:43

Copyright (c) 1991, 2005, Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
  Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
    Handler(s):
      "DEDICATED" established:0 refused:0
         LOCAL SERVER
Service "orcl" has 1 instance(s).
  Instance "orcl", status READY, has 1 handler(s) for this service...
    Handler(s):
      "DEDICATED" established:58 refused:0 state:ready
         LOCAL SERVER
Service "orclXDB" has 1 instance(s).
  Instance "orcl", status READY, has 1 handler(s) for this service...
    Handler(s):
      "D000" established:0 refused:0 current:0 max:972 state:ready
         DISPATCHER <machine: data.localdomain, pid: 2566>
         (ADDRESS=(PROTOCOL=tcp)(HOST=data.localdomain)(PORT=64999))
Service "orcl_XPT" has 1 instance(s).
  Instance "orcl", status READY, has 1 handler(s) for this service...
    Handler(s):
      "DEDICATED" established:58 refused:0 state:ready
         LOCAL SERVER
The command completed successfully