Browsing Cherokee translation

39.

<application>Synaptic</application> is an advanced package management application that can install and remove every package available to your system. The interface is graphical like <application>Add/Remove Applications</application>, but presents much more information and gives you complete control over the software on your computer.

40.

To launch <application>Synaptic</application>, from the <guimenu>System</guimenu> menu choose <menuchoice><guimenu>Applications</guimenu><guisubmenu>System</guisubmenu><guimenuitem>Synaptic Package Manager</guimenuitem></menuchoice>. You need administrative access to use <application>Synaptic</application>. See <link linkend="root-and-sudo">Administrative Tasks</link> for more details.

41.

If you know the name of the package you want to install or remove, click the <guibutton>Search</guibutton> button, and enter the package name or a short search term. You can also search for packages by description (for example, you can find all packages mentioning <quote><wordasword>arcade</wordasword></quote> or <quote><wordasword>mathematics</wordasword></quote>).

42.

Use the categories on the left to filter the list of packages. To return to the list of categories after doing a search, click <guibutton>Sections</guibutton>.

43.

To install a package, click the box next to it and choose <guimenuitem>Mark for installation</guimenuitem>. If you change your mind, choose <guimenuitem>Unmark</guimenuitem>.

44.

To remove a package that is already installed, choose <guimenuitem>Mark for Removal</guimenuitem>.

45.

When you've finished, click <guibutton>Apply</guibutton> and Ubuntu will make the changes you selected. If you don't want to make any changes, close the window instead.

46.

Command-line package management with APT

47.

If you are comfortable using the Terminal, you can use <application>apt</application> (Advanced Packaging Tool) to install or remove software. You need administrative access to use <application>apt</application>. See <link linkend="root-and-sudo">Administrative Tasks</link> for more details.

48.

To update the local list of packages, enter in a Terminal: <screen>sudo apt-get update</screen> Note that this command only updates the package <emphasis>information</emphasis> on your system. It does not install or update the actual software packages.