usr/libexec/ is a directory in the Mac OS file system that contains executable files which are used to support system-level services. We have seen that we are setting JAVA_HOME environment variable as the output of /user/libexec. You may need to log out and log back in for the changes to take effect. Open this file by executing below command in the terminal sudo nano /etc/environmentĪnd paste below line into it JAVA_HOME=$(/usr/libexec/java_home) Set JAVA_HOME permanently with etc/environmentĪnother way to set JAVA_HOME variable permanently is by using /etc/environment file. Save this file and then use source command to reload the environment variables as source ~/.bash_profileģ. Next, add this line to bash_profile export JAVA_HOME=$(/usr/libexec/java_home) To set JAVA_HOME permanently, same command is used but you need to write it in bash profile so that Mac OS reads it at start up.įirst, open the bash profile with below command nano ~/.bash_profile

Set JAVA_HOME permanently with bash profile

In the above command, the export command is used to set the value of JAVA_HOME to the output of the /usr/libexec/java_home utility.Īs soon as the terminal window is closed or you try to access JAVA_HOME outside it, you will get nothing or any global/permanent value which is already set.Ģ. Where export is a command, which is used to set the values of environment variables. export JAVA_HOME=$(/usr/libexec/java_home) If you are working on a terminal window and want to set JAVA_HOME property for that terminal session only, then below command will be useful.

Macos set java_home