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Monday, 1 October 2012
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Quick Reference to Hadoop File System Commands

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Steve Jin has put together a quick list of HDFS commands:

The first part hadoop fs is always the same for file system related commands. After that is very much like typical Unix/Linux commands in syntax. Besides managing the HDFS itself, there are commands to import data files from local file system to HDFS, and export data files from HDFS to local file system. These commands are unique therefore deserve most attention.

[-put ... ]
[-copyFromLocal ... ]
[-moveFromLocal ... ]
[-get [-ignoreCrc] [-crc] ]
[-getmerge [addnl]]
[-copyToLocal [-ignoreCrc] [-crc] ]
[-moveToLocal [-crc] ]

Original title and link: Quick Reference to Hadoop File System Commands (NoSQL database©myNoSQL)

via: http://www.doublecloud.org/2012/09/hadoop-file-system-commands/