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One option is to force a particular version of a package. This can downgrade a package and render dependent software inoperable, so the user must be careful. Finally, the apt_preferences mechanism allows the user to create an alternative installation policy for individual packages. The user can specify packages using a POSIX regular expression.
dpkg is the software at the base of the package management system in the free operating system Debian and its numerous derivatives. dpkg is used to install, remove, and provide information about .deb packages.
Ubuntu Software Center, or simply Software Center, is a discontinued high-level graphical front end for the APT/dpkg package management system. It is free software written in Python , PyGTK / PyGObject based on GTK .
Other programs are supplied in a form unsuitable for immediate execution and therefore need an installation procedure. Once installed, the program can be executed again and again, without the need to reinstall before each execution. Common operations performed during software installations include:
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A package manager or package-management system is a collection of software tools that automates the process of installing, upgrading, configuring, and removing computer programs for a computer in a consistent manner. [1] A package manager deals with packages, distributions of software and data in archive files.
Snap is a software packaging and deployment system developed by Canonical for operating systems that use the Linux kernel and the systemd init system. The packages, called snaps, and the tool for using them, snapd, work across a range of Linux distributions [3] and allow upstream software developers to distribute their applications directly to users.
These metadata are combined with information in each package to determine (and resolve, if possible) dependencies among the packages. The hope is to avoid a situation known as dependency hell . A separate tool, createrepo , sets up YUM software repositories , generating the necessary metadata in a standard XML format (and the SQLite metadata if ...