1. Updating Package-Repositories

  # apt update
    

2. Upgrading Packages

  # apt full-upgrade
    

  # pacman -Syu
    

Updating packages from the AUR:

  # yay
    

  # yum update
    

  # emerge --sync && emerge -avuDN @world
    

1. Updating Package-Repositories

  # slackpkg update
    

  # flatpak update
    

  # apt install package_name
    

  # pacman -S package_name
    

or from the Arch User Repository ( AUR )

  # yay package_name
    

  # dnf install package_name
    

  # emerge package_name
    

After you downloaded the package, navigate to its location using "cd", then enter the following command:

  # installpkg package-name.txz
    

  # snap install package_name
    

1. Install the package

  # flatpak install flathub org.freedesktop.example.example
    

1. Run it for the first time. After that it will appear in your GUI-Menu

  # flatpak run flathub org.freedesktop.example.example
    

1. Download it.

2. Navigate to the package location. Probably /Downloads.

  # cd /home/user/Downloads
    

3. Execute it. ( "./" means executing )

  # apt install ./package_name.deb
    

  # apt --purge remove example-package
    

After removing a package, you can also use the apt autoremove command to remove any dependencies that were installed along with the package but are no longer needed. This helps to clean up your system:

  # apt autoremove
    

  # pacman -R package_name
    

  # dnf remove package-name
    

dnf will take care of removing dependencies that are no longer required after the uninstallation.

1. Uninstalling the package:

  # emerge --unmerge example
    

2. Good practice: Clean up any orphaned dependencies using the following command:

  # emerge --depclean
    

After you downloaded the package, navigate to its location using "cd", then enter the following command:

  # removepkg package-name.txz
    

  # snap remove package_name
    

  # flatpak uninstall flathub org.freedesktop.example.example