<part xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude" version="5.0" xml:id='chap-package-management'> <title>Package Management</title> <partintro> <para>This chapter discusses how to do package management with Nix, i.e., how to obtain, install, upgrade, and erase packages. This is the “user’s” perspective of the Nix system — people who want to <emphasis>create</emphasis> packages should consult <xref linkend='chap-writing-nix-expressions' />.</para> </partintro> <xi:include href="basic-package-mgmt.xml" /> <xi:include href="profiles.xml" /> <xi:include href="garbage-collection.xml" /> <xi:include href="channels.xml" /> <xi:include href="sharing-packages.xml" /> </part>