Add HIVE environment variables in linux

1. Add HIVE_HOME

export HIVE_HOME=/home/zhongml/apache-hive-2.1.0-bin

2. Add $HIVE_HOME/bin to the original PATH

export PATH=$PATH:$HIVE_HOME/ bin

3. Add $HIVE_HOME/lib

export CLASSPATH=$CLASSPATH:$HIVE_HOME/lib

on the basis of the original CLASSPATH