#redirecting output to another tty (teletype) or pts (pseudo-teletype)


#find out who is logged onto which terminal
who -a

#now send text to that terminal

echo "Hello World" > /dev/tty1
#or
echo "Hello World" > /dev/pts/1


#or send something more fun
sudo apt install cmatrix fortune cowsay

cmatrix > /dev/pts/2
cowsay "Hello There" > /dev/pts/2
fortune > /dev/pts/2
cowsay "$(fortune)" > /dev/pts/2
fortune|cowsay -f tux > /dev/pts/2