A package manager is a program that installs and uninstalls software, and keeps track of all the components each piece of software needs.
To add or remove applications in Ubuntu, you need to use a package manager. It will automatically download the software required from the Internet and install it.
There are three main package managers you can use in Ubuntu:
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Add/Remove Applications - The easiest way to install and uninstall programs.
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Synaptic - Advanced control of software and other system components.
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Apt - If you prefer using the Terminal.
![[Note]](../../images/admon/note.png)
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If you open more than one of these programs at once, they may not work. Close them all and open just one. |
You need administrative access to use any of these programs. See Administrative Tasks for more details.
