How do i remove window vista completely and remove the memory portion i have?

The title says it all. How do i remove window vista completely and remove the memory portion i have?

You could use Gparted from the software center which is a partition tool that allows the resizing and deletetion of partitions on the harddrive.

Edit: Don't do this if you have used Wubi to install !

I don't know if i used wubi or not, is there way i can tell?

Post the output of the command

Code:

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df

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If there is a /host partition, we can be pretty sure you have a wubi install.

Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda5 11298736 8803984 1920800 83% /
udev 1993352 4 1993348 1% /dev
tmpfs 800436 820 799616 1% /run
none 5120 0 5120 0% /run/lock
none 2001084 492 2000592 1% /run/shm
none 102400 40 102360 1% /run/user

This looks like a normal installed Ubuntu system with the root partition / on partition number 5 (typically the first logical partition inside an extended partition). So it is not wubi, and you can go ahead with gparted using Frog's Hair's advice.

But it is always risky to edit partitions (a small mistake will delete valuable data), so you should backup your Ubuntu partition /dev/sda5 or at least your personal files (documents, pictures etc) before it's too late. There are many threads in the Ubuntu Forums, where we try to help people who did not backup their data ...

Thanks!

I downloaded gparted, now what do i do?

Backup

Check

Run gparted with superuser privileges

Code:

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gksudo gparted

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You can select drive (if more than one) at the top right corner. The GUI is rather self-explanatory. But when you have selected what to do it waits until you click the tick icon near the top of the window.

Be sure that you can identify which partition you want to remove (the vista partition and maybe the vista recovery partition if you have one).