Verified commands Command outputs are from firmware version 362371. vcgencmd commands Shows a list of possible commands. root@raspberrypi:~# vcgencmd commands commands="vcos, ap_output_control, ap_output_post_processing, vchi_test_init, vchi_test_exit, pm_set_policy, pm_get_status, pm_show_stats, pm_start_logging, pm_stop_logging, version, commands, set_vll_dir, led_control, set_backlight, set_log