grep -A 参数

[root@work_monitor ~]# cat /usr/local/nagios/etc/nrpe.cfg | grep server_port=5666 -A 15
server_port=5666



# SERVER ADDRESS
# Address that nrpe should bind to in case there are more than one interface
# and you do not want nrpe to bind on all interfaces.
# NOTE: This option is ignored if NRPE is running under either inetd or xinetd

#server_address=127.0.0.1



# NRPE USER
# This determines the effective user that the NRPE daemon should run as.  
# You can either supply a username or a UID.

把匹配行下面的几行列出