Description: A pseudo-package is a type of package in package management systems that does not contain physical files but is primarily used for managing dependencies among other packages. Its main function is to act as a marker or container that allows system administrators and users to manage the installation and uninstallation of other packages more efficiently. Pseudo-packages can be used to group several related packages, thus facilitating the installation of a software set that depends on multiple components. Additionally, they allow developers to define more complex dependency relationships, ensuring that the necessary packages are present on the system before installing the software that requires them. This is especially useful in environments where software stability and compatibility are critical, as it helps avoid conflicts and dependency issues that could arise during the installation of new software. In summary, pseudo-packages are essential tools in package management, providing a way to organize and control software dependencies without the need to include additional files.