I am trying to install Java via the terminal using the guide How to Install Oracle Java JRE on Ubuntu Linux.
Everything went perfectly fine until "Step 11: Save the /etc/profile file and exit":
I spent maybe 30 minutes figuring out what
^ means (apparently Ctrl), but I cannot understand how that guy called the save command where you can choose
I did try
^O, but I didn't get the same result as he did. How can I fix this problem?