~/.bashrc  ---


export HADOOP_PREFIX = "/home/hduser1/hadoop-2.7.1/"
export PATH =$PATH:$HADOOP_PREFIX/bin
export PATH =$PATH:$HADOOP_PREFIX/sbin
export HADOOP_COMMOM_HOME=${HADOOP_PREFIX}
export HADOOP_MAPRED_HOME=${HADOOP_PREFIX}
export YARN_HOME=${HADOOP_PREFIX}