Package Managers

Package managers install, update and remove software.

Common Package Managers

Distribution	Manager
Ubuntu	APT
Debian	APT
Fedora	DNF
Arch	Pacman

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APT Commands

Update repositories:

sudo apt update

Upgrade packages:

sudo apt upgrade

Install package:

sudo apt install nginx

Remove package:

sudo apt remove nginx

Search package:

apt search php

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DNF

sudo dnf install nginx

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Pacman

sudo pacman -S nginx

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Why Package Managers Matter

Without package managers: Installing software becomes difficult. Linux automates:

• Dependencies
• Updates
• Security patches

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Summary

Package managers are one of Linux's strongest features.