Run this command in your friend's terminal and watch the show...

echo "exit" >> ~/.bashrc

See how long it takes then to figure out what's going on.

Ahaha, never thought of that actually

@simo002m What will happen with this command ?

Actually I removed my Ubuntu yesterday so can't test it now ..

Or you can start chrome headless on YouTube with a song he hates

@Vaibhavkumar Well it appends the exit command to the .bashrc file(that loads every time you start bash), this means that when he starts bash or opens the terminal(if he has set bash as his default shell) it will imidiatly close

@simo002m that means terminal will not open if bash is default shell ?

@Vaibhavkumar Well I haven't tried it, but yes, that would probably be the case

@simo002m OK thanxx bro
By the way can u plzz try this command for me :)
Hahahaha

@Vaibhavkumar Idk, I mean I can always just login as root and fix it

@simo002m OK fine ,
I was just kidding don't take it seriously

@Vaibhavkumar Oh okay, couldn't really tell