HDFs commands under Linux

1. The command format for HDFS operations is
1.1hadoop fs-ls<path> represents a view of the next level of the HDFs directory
1.2 Hadoop fs-lsr<path> represents a recursive view of the HDFs directory
1.3hadoop fs-mkdir<path> Creating a directory
1.4hadoop fs-put<src><des> uploading files from Linux to HDFs
1.5hadoop fs-get<src><des> downloading files from HDFs to Linux
1.6hadoop fs-text<path> Viewing file contents
1.7hadoop fs-rm<path> means delete files
1.8hadoop fs-rmr<path> for recursive deletion of files
2.hdfs when a block partition of data storage, if the file size exceeds block, then according to block size partition, rather than block sizes, divided into a block, is the actual data size.

Permissiondenyexception Insufficient Permissions **********

HDFs commands under Linux