[root@localhost ~]# tail /etc/profile
#JDK1.8
export JAVA_HOME=/usr/jdk1.8.0_211
export PATH=$PATH:$JAVA_HOME/bin
#mongodb4.0.9
export MONGODB_HOME=/usr/local/mongodb4.0.9
export PATH=$PATH:$MONGODB_HOME/bin
[root@localhost ~]# tail /etc/profile
#JDK1.8
export JAVA_HOME=/usr/jdk1.8.0_211
export PATH=$PATH:$JAVA_HOME/bin
#mongodb4.0.9
export MONGODB_HOME=/usr/local/mongodb4.0.9
export PATH=$PATH:$MONGODB_HOME/bin