here is the error that I got


LSNRCTL> start
Starting /ora01/app/oracle/product/7.3.2/bin/tnslsnr: please wait...

TNSLSNR for Solaris: Version 2.3.2.1.0 - Production
System parameter file is /var/opt/oracle/listener.ora
Log messages written to /ora01/app/oracle/product/7.3.2/network/log/listener.log
Attempted to listen on: (DESCRIPTION=(CONNECT_TIMEOUT=2147483647)(ADDRESS=(PROTOCOL=IPC)(KEY=gccs.world)))
TNS-12546: TNSermission denied
TNS-12560: TNSrotocol adapter error
TNS-00516: Permission denied
Solaris Error: 13: Permission denied

any ideas?