| 1 | <?xml version='1.0' encoding='UTF-8'?>
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| 2 | <!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd">
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| 3 | <topic xml:lang="en-us" id="configbasics">
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| 4 | <title>Virtual Machine Configuration</title>
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| 5 |
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| 6 | <body>
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| 7 | <p>
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| 8 | When you select a virtual machine from the list in the VirtualBox
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| 9 | Manager window, you will see a summary of that machine's settings
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| 10 | on the right.
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| 11 | </p>
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| 12 | <p>
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| 13 | Clicking on <b outputclass="bold">Settings</b> displays a
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| 14 | window, where you can configure many of the properties of the
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| 15 | selected VM. But be careful when changing VM settings. It is
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| 16 | possible to change all VM settings after installing a guest OS,
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| 17 | but certain changes might prevent a guest OS from functioning
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| 18 | correctly if done after installation.
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| 19 | </p>
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| 20 | <note>
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| 21 | <p>
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| 22 | The <b outputclass="bold">Settings</b> button is disabled
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| 23 | while a VM is either in the Running or Saved state. This is
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| 24 | because the <b outputclass="bold">Settings</b> window
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| 25 | enables you to change fundamental characteristics of the virtual
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| 26 | machine that is created for your guest OS. For example, the
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| 27 | guest OS may not perform well if half of its memory is taken
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| 28 | away. As a result, if the
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| 29 | <b outputclass="bold">Settings</b> button is disabled,
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| 30 | shut down the current VM first.
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| 31 | </p>
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| 32 | </note>
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| 33 | <p>
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| 34 | Oracle VM VirtualBox provides a wide range of parameters that can be
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| 35 | changed for a virtual machine. The various settings that can be
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| 36 | changed in the <b outputclass="bold">Settings</b> window
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| 37 | are described in detail in <xref href="BasicConcepts.dita#BasicConcepts"/>. Even
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| 38 | more parameters are available when using the
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| 39 | <userinput>VBoxManage</userinput> command line interface. See
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| 40 | <xref href="vboxmanage.dita#vboxmanage"/>.
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| 41 | </p>
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| 42 | </body>
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| 43 |
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| 44 | </topic>
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