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The Yellowdog Updater Modified (YUM) is a free and open-source command-line package-management utility for computers running the Linux operating system using the RPM Package Manager. [4] Though YUM has a command-line interface, several other tools provide graphical user interfaces to YUM functionality.
Cygwin: Free and open-source software repository for Windows NT. Provides many Linux tools and an installation tool with package manager; Homebrew: a port of the MacOS package manager meant for use with Windows Subsystem for Linux, using the already existing Linux port as its base; Ninite: Proprietary package manager for Windows NT;
A software repository, or repo for short, is a storage location for software packages. Often a table of contents is also stored, along with metadata. A software repository is typically managed by source or version control, or repository managers. Package managers allow automatically installing and updating repositories, sometimes called "packages".
Yum extends the functionality of the backend by adding features such as simple configuration for maintaining a network of systems. As another example, the Synaptic Package Manager provides a graphical user interface by using the Advanced Packaging Tool (apt) library, which, in turn, relies on dpkg for core functionality.
DNF (abbreviation for Dandified YUM) [7] [8] [9] is a package manager for Red Hat-based Linux distributions and derivatives. DNF was introduced in Fedora 18 in 2013 as a replacement for yum; [10] it has been the default package manager since Fedora 22 in 2015 [11] and Red Hat Enterprise Linux 8 [when?] [12] and is also an alternative package manager for Mageia.
To enable use of the tool, a referenced library must have a corresponding .pc file stored in the file system location designated for that purpose (the location varies by system). This file should be stored as part of the installation process as handled by RPM , deb , or other packaging system or by compiling from source code .
The Portage system offers the use of "USE flags", which allows users to indicate which software features they would like to include (and exclude) while building packages. For example, there is a USE flag to include DVD support, where available, in packages compiled with the flag enabled.
It is possible to install Linux onto most of these file systems. The ext file systems, namely ext2, ext3, and ext4 are based on the original Linux file system. File systems have been developed by companies to meet their specific needs, by hobbyists, or adapted from Unix , Microsoft Windows, and other operating systems.