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Showing posts with label virtual. Show all posts
Showing posts with label virtual. Show all posts

Tuesday, September 30, 2014

Using the Kurzweil Virtual Printer


Kurzweil Virtual Printer is a great tool to help read unsupported documents in Kurzweil. It works with any program that you can print from. Hope this tip helps.
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Monday, September 29, 2014

How to install virtual XP on Ubuntu

After you install virtualization software, such as VirtualBox OSE, on an Ubuntu host operating system, you can install almost any other guest operating system to run simultaneously with its Ubuntu host. A guest operating system is also called a VM (Virtual Machine). This article explains how to install VirtualBox on an Ubuntu host, and then run it to install Windows XP as a guest operating system, (also called a Windows XP client, or a virtual machine XP).
 
Installing VirtualBox
To install VirtualBox OSE on Ubuntu, do the following:
  1. Click on the Applications menu to display its drop-down list.
  2. Click on Add/Remove to display the "Add/Remove Applications" window.
  3. Select VirtualBox OSE, and then click on Apply Changes to display its dialog.
  4. Click on Apply to install VirtualBox OSE.
Setting Up VirtualBox
To set up VitualBox, do the following:
  1. Use Applications -> Accessories -> Virtual Box OSE to display the "Welcome to VirtualBox" window.
  2. Click on New to display the "Welcome to the New Virtual Machine Wizard."
  3. Click on Next to display the "VM Name and OS Type" window, type a name (such as MyVirtualXP), select the Microsoft Windows Operating System, and then select the Windows XP Version.
  4. Click on Next to display the "Memory" window, accept the default Base Memory Size, and then click on Next to display the "Virtual Hard Disk" window.
  5. Click on New to display the Welcome to the "Create New Virtual Disk Wizard," click on Next to display the "Hard Disk Storage Type" window, accept the default Storage Type, and then click on Next to display the "Virtual Disk Location and Size" window.
  6. Set Size to approximately 20 GB, click on Next to display the "Summary" window, and then click on Finish to display the "Virtual Hard Disk" window. Accept the default virtual boot disk.
  7. Click on Next to display the "Summary" window, click on Finish to display the "VirtualBox OSE" window, and then close that window.
Installing Virtual XP
To install Windows XP as a guest operating (virtual XP, virtual machine XP) system on your Ubuntu host operating system, do the following:
  1. Use Applications -> Accessories -> Virtual Box OSE to display the "VirtualBox OSE" window.
  2. Place your Windows XP installation CD into your CD drive, and then click on the Settings icon, click on CD/DVD-ROM, and then select (check mark) Mount CD/DVD Drive.
  3. Click OK to redisplay the "VirtualBox OSE" window.
  4. Click on the Start icon to display a "VirtualBox Information" window that explains the "Auto Capture" keyboard. (The host key is the right Ctrl key.) This lets you switch the keyboard (and, separately, the mouse) between Ubuntu and its virtual XP.
  5. Click OK to close the "VirtualBox Information" window, and then follow the prompts to install a Windows XP client (virtual XP, virtual machine XP) on your Ubuntu host.
Important: Before you can install updates to your
Windows XP client, and before it can run correctly,
you must install its Guest Additions
according to the section below.

Installing Guest Additions on Virtual XP
To install Guest Additions on your Windows XP client, do the following:
  1. From within your Windows XP client window, press right Ctrl, select Devices, and then click Install Guest Additions to display the "VirtualBox - Question" window.
  2. Click Yes and then click Download to download the CD image and display the download-progress indicator in the lower left corner.
  3. After the CD image downloads successfully, click Mount to display the Guest Additions Setup Wizard and then click Next to display the License Agreement.
  4. Click I Agree to display the default Destination Folder, click Next, and then click Install to start installing Guest Additions.
  5. At each Microsoft warning, click Continue Anyway.
  6. Select Reboot now and click Finish.
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What is Virtual Memory and Why it is Necessary


Todays computers are so powerful that users are not concerned or informed about virtual memory. Actually they dont need to! Because most of the modern computers comes with sufficient main memory or RAM. It may be 2 GB or more. And a PC with higher than 2 GB RAM hardly requires to use virtual memory. 


Virtual Memory: 

A minor part of your hard disk is used as Virtual memory. Generally Windows OS automatically uses some space of your installation drive (In most cases Drive C).  You can change the amount of virtual memory by yourself. 

If youre running a program that requires a huge amount Random Access Memory, and if your computer lacks sufficient memory, Windows uses virtual memory to run that program. 

In fact, virtual memory is used to boost the capacity of RAM and to accelerate the operations of your computer. It combines the RAM with temporary space on your hard disk. When RAM is low, virtual memory transfers data from RAM to a space named Paging File. Transferring data to paging file frees up the RAM to perform its task.  


The more RAM youve on your PC, the faster you can operate it. So, if your PC is slowing down due to the lack of RAM, then you should increase the amount of virtual memory by compensating a part of your installation drive. This part or virtual memory will be used  by Windows as RAM. 


But increasing the virtual memory is not the ultimate solution. Because it is not as fast as RAM. And your PC cant read data from hard disk as quickly as it can read from RAM. So adding RAM is a better solution. 



Change the Size of Virtual Memory


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