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[[Image:ubuntu_linux_update_manager.jpg]]
The Update Manager lists the total number of updates which are available for your system, and lists each update. Select any update in the list and click on the black triangle next to the "Description of Update" text to see detailed information of the update. Each update has a check box next to it. To decline an update , simply uncheck the box for that uupdateupdate. When you have reviewed the updates and unselected any you do not wish to be applied to the system press the ''Install Updates'' button to begin the update process.
The update product consists of two phases. In the first phase the Update Manager downloads each update package in the list. The following dialog will appear displaying the progress of the updates as they are downloaded. The dialog shows the display after the option to ''Show progress of single files'' has been selected:
[[Image:ubuntu_linux_update_progress.jpg|Ubuntu Linux Update Progress]]
In addition to providing details of the progress of the update process, the dialog also showa show the current download speed and provides an estimate of the remaining time to completion.
Once the update packages have been successfully download the Update Manager begins the process of applying the updates to the operating system. While this phase of the update is in progress the following dialog is displayed (in this case the option to display details has been selected):
