linux: listing active listening services

netstat -ltp
chkconfig --list | grep 3:on

Sample (netstat -ltp )
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 *:nfs *:* LISTEN -
tcp 0 0 *:mysql *:* LISTEN 2309/mysqld
tcp 0 0 *:40971 *:* LISTEN -
tcp 0 0 *:rquotad *:* LISTEN 2191/rpc.rquotad
tcp 0 0 *:vnc-server *:* LISTEN 3036/vino-server
tcp 0 0 *:sunrpc *:* LISTEN 1798/rpcbind
tcp 0 0 *:ndmp *:* LISTEN 2521/perl
tcp 0 0 *:http *:* LISTEN 2383/httpd
tcp 0 0 *:55632 *:* LISTEN 2206/rpc.mountd
tcp 0 0 *:ftp *:* LISTEN 2227/vsftpd
tcp 0 0 *:ssh *:* LISTEN 2103/sshd
tcp 0 0 *:36374 *:* LISTEN 1813/rpc.statd
tcp 0 0 localhost.localdomain:ipp *:* LISTEN 2447/cupsd
tcp 0 0 localhost.localdomain:smtp *:* LISTEN 4982/sendmail: acce
tcp 0 0 *:https *:* LISTEN 2383/httpd