Functions
Package management systems are charged with the task of organizing all of the packages installed on a system. Typical functions of a package management system include:
- Verifying file checksums to ensure correct and complete packages;
- Verifying digital signatures to authenticate the origin of packages;
- Applying file archivers to manage encapsulated files;
- Upgrading software with latest versions, typically from a software repository;
- Grouping of packages by function to reduce user confusion;
- Managing dependencies to ensure a package is installed with all packages it requires. This resolved the problem known as Dependency Hell.
Some additional challenges are met by only a few package management systems.
Read more about this topic: Package Management System
Famous quotes containing the word functions:
“Empirical science is apt to cloud the sight, and, by the very knowledge of functions and processes, to bereave the student of the manly contemplation of the whole.”
—Ralph Waldo Emerson (1803–1882)
“If photography is allowed to stand in for art in some of its functions it will soon supplant or corrupt it completely thanks to the natural support it will find in the stupidity of the multitude. It must return to its real task, which is to be the servant of the sciences and the arts, but the very humble servant, like printing and shorthand which have neither created nor supplanted literature.”
—Charles Baudelaire (1821–1867)
“Let us stop being afraid. Of our own thoughts, our own minds. Of madness, our own or others’. Stop being afraid of the mind itself, its astonishing functions and fandangos, its complications and simplifications, the wonderful operation of its machinery—more wonderful because it is not machinery at all or predictable.”
—Kate Millett (b. 1934)