在hadoop安装目录下创建wcinput目录,如我的安装目录是:/opt/module/hadoop-2.7.7
[root@hadoop101 hadoop-2.7.7]# pwd
/opt/module/hadoop-2.7.7
[root@hadoop101 hadoop-2.7.7]#
[root@hadoop101 hadoop-2.7.7]#
[root@hadoop101 hadoop-2.7.7]# mkdir wcinput
[root@hadoop101 wcinput]