Difference between creating directory using hadoop and using normal mkdir

What is difference between directories created using below different command on webconsole?

[rahulk.4_gmail@ec2-52-86-42-143 ~]$ hadoop fs -mkdir learning[rahulk.4_gmail@ec2-52-86-42-143 ~]$ ls -lrttotal 4drwxrwxr-x 2 rahulk.4_gmail rahulk.4_gmail 4096 Jul 1 00:01 hadoop

[rahulk.4_gmail@ec2-52-86-42-143 ~]$ mkdir learning[rahulk.4_gmail@ec2-52-86-42-143 ~]$ ls -lrttotal 8drwxrwxr-x 2 rahulk.4_gmail rahulk.4_gmail 4096 Jul 1 00:01 hadoopdrwxrwxr-x 2 rahulk.4_gmail rahulk.4_gmail...

Difference between creating directory using hadoop and using normal mkdir