how to open file in terminal in ubuntu code example

Example 1: ubuntu open file from terminal

xdg-open file-name

# xdg-open myPicture.png

Example 2: how to open a file using terminal

open ~/Desktop/filename.txt

Example 3: ubuntu open file system from terminal

nautilus .
#or
nautilus /home/john/Downloads

Example 4: open a file in from terminal

cat <path/your_file>