~ cat access.log.10 | awk '{a[$1]++} END {for(b in a) print b"\t"a[b]}' | sort -k2 -r | head -n 10163.177.71.12   972101.226.68.137  972183.195.232.138 97150.116.27.194   9714.17.29.86     9661.135.216.104  9461.135.216.105  9161.186.190.41   959.39.192.108   9220.181.51.212  9

显示所有ip:n,（n表示次数）

cat web_737_com.access_log | awk '{a[$1]++} END {for(b in a) print b":"a[b]}'

61.138.100.90:20

157.55.39.125:3

121.42.0.56:2

。。。。

显示10条，没排序

cat web_737_com.access_log | awk '{a[$1]++} END {for(b in a) print b":"a[b]}' | head -n 10

61.138.100.90:20

157.55.39.125:3

121.42.0.56:2

207.46.13.80:8

123.11.99.148:46

59.172.149.197:12

125.112.245.207:58

123.169.142.98:35

222.128.136.228:10

1.71.34.67:14