Apart from the usual Linux commands that display status, the Raspberry Pi includes a custom command named vcgencmd, which can report voltages and temperatures among other Pi specific attributes. This chapter documents the known features of the command. The executable file for the command is /usr/bin/vcgencmd.
vcgencmd Commands
There is no man page for this command, but the list of all supported options can be displayed with the commands option. The example command output shown has been broken over several lines for readability:
# vcgencmd commands
commands="vcos, ap_output_control, ap_output_post_processing, ...
