how to open file in ubuntu code example

Example 1: ubuntu open file from terminal

xdg-open file-name

# xdg-open myPicture.png

Example 2: how to open files using terminal in ubuntu

#for short files 
cat filename.txt

#for longer files
less filename.txt

#to edit files inside terminal open using vim or nano

#using vim
vim filename.txt

#using nano
nano filename.txt