rubenghio

[rghio@localhost ~]$ su -
 
[root@localhost ~]$ alternatives --install /opt/jboss-as jboss ${JBOSS_HOME_V1} 1
 
[root@localhost ~]$ alternatives --install /opt/jboss-as jboss ${JBOSS_HOME_V2} 2
 
[root@localhost ~]$ alternatives --config jboss
 
[root@localhost ~]$ alternatives --config jboss

rubenghio

[rghio@localhost ~]$ su -

[root@localhost ~]$ alternatives --install /usr/bin/mvn mvn ${MAVEN_HOME_2}/bin/mvn 120

[root@localhost ~]$ alternatives --install /usr/bin/mvn mvn ${MAVEN_HOME_3}/bin/mvn 120

[root@localhost ~]$ alternatives --config mvn

There are 2 programs which provide 'mvn'.