Use the Environment preference panel to define environment variables and their use.
|Environment variables to set
|Shows a list of the environment variables and their value.
|Click to open the New Variable dialog where you define the variable name and value.
|Click to open the Select variables dialog.
|Click to edit the currently selected variable and its value.
|Click to remove the currently selected variable.
|Click to undefine the currently selected variable.
NOTE: Some variables, like PATH, have special meaning and cannot be undefined.
|Append variables to native environment
|Activate this checkbox to append the variables to the native environment during execution.
|Replace native environment with specified one
|Activate this checkbox to replace the native environment with these variables, restoring the native environment upon completion.