curl -fsSL https://download.sublimetext.com/sublimehq-pub.gpg | sudo apt-key add -sudo add-apt-repository "deb https://download.sublimetext.com/ apt/stable/"Follow the commands in this website :
https://linuxize.com/post/how-to-install-sublime-text-3-on-ubuntu-20-04/ sudo apt updatesudo apt install dirmngr gnupg apt-transport-https ca-certificates software-properties-commonsudo apt update
sudo apt install dirmngr gnupg apt-transport-https ca-certificates software-properties-common
CopyCopycurl -fsSL https://download.sublimetext.com/sublimehq-pub.gpg | sudo apt-key add -sudo add-apt-repository "deb https://download.sublimetext.com/ apt/stable/"CopyCopy