Chapter 19. Adding, Removing, and Updating Software

IN THIS CHAPTER

  • One stop shopping at the Ubuntu Software Center

  • Overviewing package management

  • Using Ubuntu repositories

  • Finding things on your system

  • Using dpkg, apt-get, and aptitude

  • Using the Synaptic Package Manager

  • Using the Ubuntu Update Manager

  • Cleaning up your system

If you looked around before settling on Ubuntu Linux, one of the things that you were sure to notice is that hundreds of Linux distributions are available, each with its own installer; favorite desktop environment and/or X Window System window manager; set of core applications; and some way of updating, expanding, and maintaining the software that comes with the distribution. When you come right down to it, the last item is the most significant aspect of a Linux distribution aside from the size and involvement of its user and development communities. There's actually an interesting loop between ease-of-use/ease-of-maintenance and the size of the user community. A Linux distribution that makes it easy to keep existing software up-to-date, install new software, and figure out what's on your system in the first place is a Linux distribution that more people are apt to use. (This assumes that someone is actually keeping the distribution up-to-date.)

As discussed in Chapter 1, "The Ubuntu Linux Project," I find the Ubuntu Linux community the most exciting, dynamic, and energetic Linux community that I've ever encountered. The Ubuntu community is a committed community of both ...

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