$ lsnrctl help

LSNRCTL for IBM/AIX RISC System/6000: Version 11.2.0.3.0 - Production on 12-DEC-2012 16:28:33

Copyright (c) 1991, 2011, Oracle.  All rights reserved.

The following operations are available

An asterisk (*) denotes a modifier or extended command:

start               stop                status              

services            version             reload              

save_config         trace               spawn               

change_password     quit                exit                

set*                show*               

$ lsnrctl status

LSNRCTL for IBM/AIX RISC System/6000: Version 11.2.0.3.0 - Production on 12-DEC-2012 16:29:05

Copyright (c) 1991, 2011, Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC)))

STATUS of the LISTENER

------------------------

Alias                     LISTENER

Version                   TNSLSNR for IBM/AIX RISC System/6000: Version 11.2.0.3.0 - Production

Start Date                06-JUL-2012 01:09:49

Uptime                    159 days 15 hr. 19 min. 17 sec

Trace Level               off

Security                  ON: Local OS Authentication

SNMP                      ON

Listener Parameter File   생략/listener.ora

Listener Log File         /oracle/diag/tnslsnr/ㅌㅌㅌㅌ/listener/alert/log.xml

Listening Endpoints Summary...

  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC)))

  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=ㅌㅌㅌ)(PORT=1521)))

Services Summary...

Service "PLSExtProc" has 1 instance(s).

  Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...

Service "ㅌㅌㅌ" has 2 instance(s).

  Instance "ㅌㅌㅌ", status UNKNOWN, has 1 handler(s) for this service...

  Instance "ㅌㅌㅌ", status READY, has 11 handler(s) for this service...

The command completed successfully