Tutorial by Examples

1. Print the Hadoop version hadoop version 2. List the contents of the root directory in HDFS hadoop fs -ls / 3. Report the amount of space used and available on currently mounted filesystem hadoop fs -df hdfs:/ 4. Count the number of directories,files and bytes under the paths tha...

appendToFile: Append single src, or multiple srcs from local file system to the destination file system. Also reads input from stdin and appends to destination file system. Keep the as - hdfs dfs -appendToFile [localfile1 localfile2 ..] [/HDFS/FILE/PATH..] cat: Copies source paths to stdout. ...