#! /bin/bash

hidutil property --set '{
    "UserKeyMapping": [
        {
            "HIDKeyboardModifierMappingSrc": 0x700000039,
            "HIDKeyboardModifierMappingDst":0x700000029
        },
        {
            "HIDKeyboardModifierMappingSrc":0x700000029,
            "HIDKeyboardModifierMappingDst":0x700000039
        }
    ]
}'