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Here is the scenario.

I have Windows 7 installed on my Dell Inspiron 15" C: drive. The C: partition size is equal to the capacity of the hard disk, but the used space on C: is far less than that.

I want to install Ubuntu on this laptop, too. Is there a way I can free half of the space occupied by the Windows 7 partition and install Ubuntu on it?

In short, want to install Ubuntu without losing neither the Windows installation nor my previously stored data and programs.

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Tip - always back up first - that way if anything goes wrong you can always restore. – Journeyman Geek Aug 22 '13 at 2:25
up vote 2 down vote accepted


Ubuntu installation disks have tools to shrink Windows (and other) partitions without losing data.

You could also boot into the Ubuntu Live CD and use GParted (GUI tool) to resize your partitions.

As always, making a backup is recommended.

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you have divide atleast two drive in your system .in another partition you make some free space to install that ubuntu it will definitely working with out failed OS corruption

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