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The yum command-line utility is a package management program for those Linux distributions that use rpm packages. Here’s a list of distributions that are based on the RPM package format. Package managers keep track of what files belong to what packages, what packages are installed and what versions of those packages are installed. The package manager uses a package’s metadata to automatically install any required dependencies. Package ManagerĪ package manager is used to install, upgrade and remove packages. The data or metadata that is contained within a package can include such information as the description of the application, the version and the list of dependencies or other packages that this particular application needs in order to function. Additionally, a package contains data about the application as well as any steps required to successfully install and remove that application. A package is just a collection of files that make up an application. Typically when you install software in a Linux system you do so with a package. In this tutorial, we’ll be covering packages, package managers and how to find, install and remove software for most popular Linux distributions. How to install software in Linux (RPM/DEB systems)