This video demonstrate some of the basic terminal commands which every person need to know before working with terminals. unlike windows on windows most of the work can be done via terminal which is like command prompt on windows but on linux like ubuntu and other debine operating systems the terminal performs all the things. its very simple to work with terminal. watch video for commands and their usage.
sudo apt-get install
sudo -i
ls
pdw
cd ..
cd
mkdir
rm ...
these are some of the prominent command used in the video.