05 August 2015

The best helpful hdfs file system commands (1 of 4)

The best helpful hdfs file system commands
#The best helpful hdfs file system commands:

cat
hadoop fs -cat FILE [ ... ]
Displays the file content. For reading compressed files, you should use the TEXT command instead.

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

Changes the group association for files and directories. The -R option applies the change recursively.

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