hadoop@ssmaster:~$ hadoop fs

Usage: hadoop fs [generic options]

    [-appendToFile <localsrc> ... <dst>]

    [-cat [-ignoreCrc] <src> ...]

    [-checksum <src> ...]

    [-chgrp [-R] GROUP PATH...]

    [-chmod [-R] <MODE[,MODE]... | OCTALMODE> PATH...]

    [-chown [-R] [OWNER][:[GROUP]] PATH...]

    [-copyFromLocal [-f] [-p] [-l] <localsrc> ... <dst>]

    [-copyToLocal [-p] [-ignoreCrc] [-crc] <src> ... <localdst>]

    [-count [-q] [-h] <path> ...]

    [-cp [-f] [-p | -p[topax]] <src> ... <dst>]

    [-createSnapshot <snapshotDir> [<snapshotName>]]

    [-deleteSnapshot <snapshotDir> <snapshotName>]

    [-df [-h] [<path> ...]]
   .........
   .........

hadoop@ssmaster:~$ hadoop fs -mkdir data

hadoop@ssmaster:~$ hadoop fs -ls /

Found  items

drwxr-xr-x - hadoop supergroup  -- : /data

hadoop@ssmaster:~$ vi paper.txt

hadoop@ssmaster:~$ ls

Desktop  Documents  Downloads  examples.desktop  hadoop-2.6..tar.gz  Music  paper.txt  Pictures  Public  Templates  Videos

hadoop@ssmaster:~$ more paper.txt

There are moments in life when you miss someone so much that you just want to pick them from your dreams and hug them for real! Dream
what you want to dream;go where you want to go;be what you want to be,because you have only one life and one chance to do all the th
ings you want to do

.....

hadoop@ssmaster:~$ hadoop fs -put paper.txt /data

DEPRECATED: Use of this script to execute hdfs command is deprecated.

Instead use the hdfs command for it.

hadoop@ssmaster:~$ hadoop fs -ls /data

Found  items

-rw-r--r--    hadoop supergroup        -- : /data/paper.txt

hadoop@ssmaster:~$ hadoop fs -cat /data/paper.txt

There are moments in life when you miss someone so much that you just want to pick them from your dreams and hug them for real! Dream what you want to dream;go where you want to go;be what you want to be,because you have only one life and one chance to do all the things you want to do.

hadoop@ssmaster:~$ rm paper.txt

hadoop@ssmaster:~$ ls

Desktop  Documents  Downloads  examples.desktop  hadoop-2.6..tar.gz  Music  Pictures  Public  Templates  Videos

hadoop@ssmaster:~$ hadoop fs -get /data/paper.txt

hadoop@ssmaster:~$ ls

Desktop  Documents  Downloads  examples.desktop  hadoop-2.6..tar.gz  Music  paper.txt  Pictures  Public  Templates  Videos

hadoop@ssmaster:~$ hadoop fs -rm /data/paper.txt

// :: INFO fs.TrashPolicyDefault: Namenode trash configuration: Deletion interval =  minutes, Emptier interval =  minutes.

Deleted /data/paper.tx

hadoop@ssmaster:~$ hadoop fs -ls /

Found  items

drwxr-xr-x   - hadoop supergroup           -- : /data

drwxr-xr-x   - hadoop supergroup           -- : /input

drwxr-xr-x   - hadoop supergroup           -- : /output

drwx------   - hadoop supergroup           -- : /tmp

hadoop@ssmaster:~$ hadoop fs -rm  -r /input

// :: INFO fs.TrashPolicyDefault: Namenode trash configuration: Deletion interval =  minutes, Emptier interval =  minutes.

Deleted /input

hadoop@ssmaster:~$ hadoop fs -ls /

Found  items

drwxr-xr-x   - hadoop supergroup           -- : /data

drwxr-xr-x   - hadoop supergroup           -- : /output

drwx------   - hadoop supergroup           -- : /tmp