User osetc shows us how to set up or export your environment variable on your FreeBSD operating system. The csh shell is used along with command line tools setenv (Set Environment). See the link below for the full set of instructions.

List Current Environment Variable

The default shell program for FreeBSD system is csh. And there is no export command to export environment variable directly. So if you want to set shell variable in your FreeBSD shell prompt, and you need to use another command called setenv.

Let’s check the default shell program by running the following command:

$ cat /etc/passwd | grep ^root

Outputs: ….

How To Set or Export Environment Variable in FreeBSD