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YUM aimed to address both the perceived deficiencies in the old APT-RPM, [18] and restrictions of the Red Hat up2date package management tool. YUM superseded up2date in Red Hat Enterprise Linux 5 and later. [19] Some authors refer to YUM as the Yellowdog Update Manager, or suggest that "Your Update Manager" would be more appropriate.
Many package managers can be configured to never upgrade certain packages, or to upgrade them only when critical vulnerabilities or instabilities are found in the previous version, as defined by the packager of the software. This process is sometimes called version pinning. For instance: yum supports this with the syntax exclude=openoffice* [9]
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.
Windows 10 can run on both 32-bit and 64-bit processor architectures. If you have a computer with a 32-bit setup, you can upgrade to the 64-bit version without acquiring a new license.
Part of OS X 10.7 and available as an update for OS X 10.6; Fink: A port of dpkg, it is one of the earliest package managers for macOS; Homebrew: Command-Line Interface-based package manager, known for its ease-of-use and extensibility. MacPorts: Formerly known as DarwinPorts, based on FreeBSD Ports (as is macOS itself);
RPM was originally written in 1997 by Erik Troan and Marc Ewing, [1] based on pms, rpp, and pm experiences.. pm was written by Rik Faith and Doug Hoffman in May 1995 for Red Hat Software, its design and implementations were influenced greatly by pms, a package management system by Faith and Kevin Martin in the fall of 1993 for the Bogus Linux Distribution.
Users of these operating systems can then invoke the up2date or yum program to download and install updates from RHN. The updates portion of RHN is akin to other types of automatic system maintenance tools such as Microsoft Update for Microsoft Windows operating systems. The system requires a subscription to allow access to updates.
The package manager enables the user to install, to upgrade or to remove software packages. To install or remove a package a user must search or navigate to the package, then mark it for installation or removal. Changes are not applied instantly; the user must first mark all changes and then apply them.