How to download youtube viedos in linux (Ubuntu) (apt-get install youtube-dl)

youtube-dl

Download youtube viedos from linux ubuntu machine
Install apt-get install youtube-dl

Step 1:- open terminal Window.
Step 2:- Type apt-get install youtube-dl and enter.
Step 3:- After Enter the above command it downloads some package and will it Install automatically.
Step 4:- After finishing installation.
Step 5:- Type syntax  youtube-dl  
Step 6:- Its start to download youtube movie.