What are the common package managers in Linux?

There are several common Linux package managers available, including:

1. APT (Advanced Package Tool): A package manager used by Debian and its derivatives (such as Ubuntu) to install, remove, and update software packages using the apt-get or apt command.
2. YUM (Yellowdog Updater, Modified): A package manager used by Red Hat and its derivatives (such as CentOS and Fedora) to install, remove, and update software packages using the yum command.
3. DNF (Dandified YUM): The package manager used in Fedora 22 and later versions, which allows you to install, remove, and update software packages using the dnf command.
4. Zypper is the package manager used by openSUSE and its derivatives, allowing users to install, remove, and update software packages via the zypper command.
5. Pacman: The package manager used by Arch Linux and its derivatives allows users to install, remove, and update software packages using the pacman command.
6. Portage is the package manager used by Gentoo Linux, and can be used to install, remove, or update software packages using the emerge command.
7. Snap is a versatile Linux software package format that can be used across multiple distributions and managed with the snap command.
8. Flatpak is another universal Linux software package format that can be used across multiple distributions, managed through the flatpak command.