how to open folder in terminal ubuntu code example

Example 1: ubuntu open directory from terminal

xdg-open folder_name

Example 2: open path using terminal ubuntu

# nautilus /path
$ nautilus /var

Example 3: open folder from terminal ubuntu

Just use "open [path_to_dir]" in Unix or "start [path_to_dir]" in Windows as:
open .	#Open current directdory in Unix
start . #Open current directory in Windows