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Chapter 13 . Running Gentoo Linux 389 To update your Portage directory tree so that it contains the latest information to install software packages, type the following: # emerge sync To get your Gentoo system up-to-date, use the -u world option. The following command checks all the software packages you have installed on your computer, and then goes to a Gentoo mirror site to download and install the latest versions of each of those packages: # emerge -u world To view the many other options available with emerge, type man emerge or run emerge with the help option: # emerge -h | less You can use emerge to install packages contained on your local computer or have the packages downloaded automatically from Gentoo software mirror sites. During the build process, emerge handles getting all the dependencies that the software you choose require. Finding Software Packages Part of the Gentoo installation process includes installing the Portage directory tree in the /usr/portage directory. You can step around that directory to see the packages that are available. As I mentioned earlier, several thousand are available. Most software packages fall into the following major categories: . app Applications software packages, such as editors, antivirus software, administrative tools, accessibility tools, CD writing applications, and many other packages. . dev A wide variety of development tools. . games Dozens of board, arcade, first-person-shooter, puzzle, and strategy games, and games servers. . media A variety of audio, video, and other multimedia tools. . net Communications, server, firewall, and other network tools. . sys System configuration tools. . www Web communications servers and related software packages. . x11 Miscellaneous tools for the X Window System graphical interface, along with related themes and window managers.
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