This section describes the Hadoop commands.
All Hadoop commands are invoked by the bin/hadoop script.
hadoop archive command creates a Hadoop archive, a file that contains other files. A Hadoop archive always has a *.har extension. hadoop classpath command prints the class path needed to access the Hadoop jar and the required libraries. hadoop daemonlog command gets and sets the log level for each daemon. hadoop distcp command is a tool used for large inter- and intra-cluster copying. hadoop fs command runs a generic filesystem user client that interacts with the filesystem. Starting from MEP 7.1.0, all hadoop fs commands support operations on symlinks.hadoop jar command runs a program contained in a JAR file. Users can bundle their MapReduce code in a JAR file and execute it using this command. hadoop job command enables you to manage MapReduce jobs. hadoop mfs command displays directory information and contents, creates symbolic links and hard links, sets, gets, and removes Access Control Expressions (ACE) on files and directories, and sets compression and chunk size on a directory.hadoop mradmin command runs Map-Reduce administrative commands. hadoop pipes command runs a pipes job.hadoop queue command displays job queue information. hadoop version command prints the hadoop software version. hadoop conf command outputs the configuration information for this node to standard output.