Using Ubuntu Linux/Software

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There are lots of software packages inside the Ubuntu repositories; they are divided into categories as follows:

  • Main: supported, free
  • Restricted: supported, non-free
  • Universe: unsupported, free
  • Multiverse: unsupported, non-free

You may also add 3rd-party repositories.

To install/remove software packages:

  1. Click System -> Administration -> Ubuntu Software Centre (enter your password as needed)
  2. Mark the things you want to install/remove/upgrade/...
  3. Click apply

If you are using Ubuntu 11.04 or newer, your Ubuntu Software Centre is found in the applications directory.

To install 3rd-party software packages:

  1. Double-click on the downloaded .deb files
  2. Click install