Several other package managers exist in Ubuntu. These contain more advanced features than Add/Remove Applications.
Synaptic is an advanced package management application that can install and remove every package available to your system. The interface is graphical like Add/Remove Applications, but presents much more information and gives you complete control over the software on your computer.
To launch Synaptic, press Administrative Tasks for more details.
→ → . You will need administrative access to use it; seeSee the Synaptic manual for more information on managing packages with Synaptic.
If you are comfortable using the Terminal, you can use apt (Advanced Packaging Tool) to install or remove software. You need administrative access to use apt; see Administrative Tasks for more details.
To update the local list of packages, enter in a Terminal:
sudo apt-get update
To install all available updates:
sudo apt-get upgrade
To search for a package:
apt-cache search package
To install a package:
sudo apt-get install package
To remove a package:
sudo apt-get remove package
To remove a package and all its dependancies (that are not in use by other programs):
sudo apt-get autoremove package
To list other apt commands and options:
apt-get help
For more information, see the Debian apt manual and the apt-get manual page.