UbuntuHelp:SourcesList
来自Ubuntu中文
The sources.list file is a key factor in adding or upgrading applications to your Ubuntu installation. This is also used by your system for system updates. The file is basically the roadmap for your system to know where it may download programs for installation or upgrade.
Below are the preferred methods for updating/editing your sources.list & repositories:
Preferred Methods
This is the preferred method of adding repositories via a graphical interface. UbuntuHelp:AddingRepositoriesHowto This is the preferred method of adding repositories via a terminal-only (server) interface. Command Line