Run these proc directory commands to uncover other hardware information.

• cat /proc/meminfo – displays details about the Raspberry Pi’s memory.

• cat /proc/partitions – reveals the size and number of partitions on your SD card or HDD.

• cat /proc/version – shows you which version of the Pi you are using.

• vcgencmd measure_temp – reveals the CPU temperature (vital if you’re concerned about airflow).

• vcgencmd get_mem arm && vcgencmd get_mem gpu – will reveal the memory split between the CPU and GPU, which can be adjusted in the config screen.

• free -o -h – will display the available system memory.

• top d1 – checks the load on your CPU, displaying details for all cores.

• df -h – is a great way to quickly check the free disk space on your Raspberry Pi.

• startx – will start the Raspberry Pi GUI (graphic user environment) and return you to the default Raspbian desktop.

• sudo shutdown -h – now will commence the shutdown process with immediate effect. Schedule a timed shutdown with the format: sudo shutdown -h 18:35

• sudo reboot – is for restarting the Raspberry Pi from the command line.