########################
###########
[root@qqdserver ~]# awk -F : '$1!~/root/{i=1;while (i<=4) {print $i; i++}}' /etc/passwd
bin
x
1
1
daemon
x
2
2
adm
x
3
4
lp
x
4
7
sync
x
5
0
shutdown
x
6
0
halt
x
7
0
x
##########################################
[root@qqdserver ~]# awk -F : '$1!~/root/{i=1;while (i<=4) {printf $i; i++}}' /etc/passwd
binx11daemonx22admx34lpx47syncx50shutdownx60haltx70mailx812newsx913uucpx1014operatorx110gamesx12100gopherx1330ftpx1450nobodyx9999vcsax6969pcapx7777dbusx8181mailnullx4747smmspx5151sshdx7474mysqlx2727wwwx10001000wdcpux999999haldaemonx6868yujianlongx10011000oprofilex1616avahix7070xfsx4343cx10021002fashix10031000cactix10041004qingqingdaox10051005nagiosx10061007nagiosadminx10071008cactiuserx10081009hanyax10091010rrdcachedx100156[
#############
[root@qqdserver ~]# awk -F : '$1!~/root/{i=1;while (i<=NF) {print $i; i++}}' /etc/passwd
bin
x
1
1
bin
/bin
/sbin/nologin
daemon
x
2
2
daemon
/sbin
/sbin/nologin
adm
x
##########################
###
#############
######################################
[root@qqd237 ~]# netstat -ant |awk '$1~/tcp/ {S[$NF]++} END {for (A in S ) print A,S[A]}'
LAST_ACK 3
LISTEN 11
SYN_RECV 2
ESTABLISHED 9
FIN_WAIT1 1
FIN_WAIT2 20
CLOSING 1
TIME_WAIT 40
###############################
#####################
[root@qqd237 httpd]# awk '{IP[$1]++}END {for (A in IP) print A,IP[A]}' access/2012_10_18_0532bm.com-access_log |less
180.153.236.59 4
180.153.236.19 3
220.181.51.114 1
123.138.239.87 1
202.99.246.98 2
222.247.59.146 140
218.205.132.52 1
114.80.93.189 15
61.135.186.41 3
116.25.27.15 1
61.135.186.43 2
61.135.186.44 8
131.253.41.45 1
222.85.150.130 4
131.253.41.47 1
131.253.41.48 1
131.253.41.49 2
157.55.35.82 21
207.46.199.213 1
######################
####################
