ubuntu app installing command

// Tweaks
sudo apt install gnome-tweaks

//gnome shell
sudo apt install gnome-shell-extensions
sudo apt install gnome-shell-extension-manager

// Chrome Shell
sudo apt-get install chrome-gnome-shell

// Firefox
sudo snap remove firefox
sudo add-apt-repository ppa:mozillateam/ppa

echo '
Package: *
Pin: release o=LP-PPA-mozillateam
Pin-Priority: 1001
' | sudo tee /etc/apt/preferences.d/mozilla-firefox

echo 'Unattended-Upgrade::Allowed-Origins:: "LP-PPA-mozillateam:${distro_codename}";' | sudo tee /etc/apt/apt.conf.d/51unattended-upgrades-firefox

sudo apt install firefox