hadoop@ubuntu16:~$ hadoop fs -ls /
Found 3 items
drwxr-xr-x - hadoop supergroup 0 2021-11-15 15:06 /hdfstest
drwxr-xr-x - hadoop supergroup 0 2021-11-15 11:00 /mr_demo
drwxr-xr-x - hadoop supergroup 0 2021-10-18 14:19 /user
hadoop@ubuntu16:~$ hadoop fs -ls .
Found 1 items
drwxr-xr-x - hadoop supergroup 0 2021-10-18 14:40 input
hadoop@ubuntu16:~$ hadoop fs -ls /user/hadoop
Found 1 items
drwxr-xr-x - hadoop supergroup 0 2021-10-18 14:40 /user/hadoop/input
hadoop@ubuntu16:~$
结合上图代码及输出结果,为什么 hadoop fs -ls .
命令显示的是/user/hadoop
文件夹下的文件信息?