Some useful commands for the terminal

CPU temperatur

vcgencmd measure_temp

OS version

cat /etc/os-release

OS bit version

getconf LONG_BIT

Memory info

cat /proc/meminfo

Partitions info

cat /proc/partitions

Raspberry Pi configuration tool

sudo raspi-config

Autostart

/etc/xdg/lxsession/LXDE-pi/autostart
or
~/.config/lxsession/LXDE-pi/autostart

Update the Raspberry Pi

sudo apt update
sudo apt full-upgrade

Install Eye Of Gnome (Image viewer)

sudo apt install eog

Install DOSBox

sudo apt update
sudo apt install dosbox

Start DOSBox with a config fil

dosbox -conf /home/pi/.dosbox/dosbox.conf

Start icon

Old path
/usr/share/lxpanel/images/start-here.png

New path
/usr/share/icons/PiXflat/32x32/places/rpi-logo.png