[ Program ] settiŋ: [ Striŋ ] value: [ Striŋ ]

var x := Program settiŋ: ['SHELL'].
 Stdout łrite: x, stop.
 Program settiŋ: ['TEST'] value: ['123'].
 var x := Program settiŋ: ['TEST'].
 Stdout łrite: x, stop.

/bin/bash
123