With one or more
packages selected, select Apply, and the software packages you selected will be downloaded from
an Internet repository and installed.
As Ubuntu is delivered, it will check only official Ubuntu software repositories to find and
download the software you add to Ubuntu. There are times, however, when you want to add
community-built software that is outside the official distribution, in areas referred to as Universe
and Multiverse:
Universe??”Packages stored in Ubuntu Universe repositories include software that is not
yet stable enough to be officially included in the project. Although the software has been
built against Ubuntu libraries by the Ubuntu community, and will work well in most
cases, it comes without guarantee of support or security fixes.
462
Choosing and Installing a Linux Distribution Part III
FIGURE 17-5
Synaptic Package Manager displays and installs Ubuntu software.
Multiverse??”Packages in Multiverse repositories contain software that is not free. This
means that the software licensing might not meet Ubuntu requirements, that the software
may be encumbered by patent issues, or that only binary versions are available. Users are
encouraged to research licensing and other legal issues themselves before using software
from these repositories.
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