My question is very newbie.

I've successfully booted Bodhi Linux (Legacy version)on my old PC that has Windows XP.
How to delete Windows XP and create new partition?
I know that I have to create root and swap area,but I don't know the best size for a root and swap.
My old PC has around 40 GB.Around 21GB are used by Windows XP (I guess) and 19GB are free.
The "Eraze everything and install" page doesn't appear.Instead,there's a partition menu with the sda1 and sda5 and how much MB they have.

Hello

I am not in front of Bodhi machine just now so maybe this link I can provide to provide some help:
https://www.bodhilinux.com/w/installation-instructions/

Stefan

is it the installer that you are saying is showing a partition menu? could you share a screenshot of what you are looking at?

Yes the Bodhi installer is showing the partition menu with a green/orange line at the top.
Screenshot attached.

I know about those installation instructions.They aren't helpful for me.

I think the installer only gives you that option when there's just one partion.

So you want to to erase everything, right? If so, it's not like you're going to mess anything up experimenting. I'd try selecting a partition and hitting [-] on them, see if you can erase them that way. If not there's gotta be some way to delete partitions from that thing.

At that point, you could try to install again (maybe reboot) and see if the installer automatically creates the partitions for you.

If it doesn't, just keep playing around. If you have to manually pick a size for your swap, google for better info if you want, but iirc you should make it equal or greater than your total ram so that it can be used for hibernation; but I really no expert on that.

Have you tried to test boot this usb on another computer? If you don't see the Erase Disk and Something Else option, you probably have bad download or write to the usb.
Most of the Ubuntu derivatives like Bodhi have GParted. Have you tried running gparted in a terminal to delete/format partitions? I would think the suggestion in post 6 above would work.

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I forgot to mention that I booted the ISO file using Unetbootin.I haven't tried Gparted.

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I've selected the partitions and clicked [-] and it works.I deleted the partitions,but I don't know what to do with the root and swap.Should the root be ntfs?

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your root partition should be ext4 as it is the newest version of ext that works well with linux distributions. ntfs is specific to windows installs.

as far as the swap partition goes, it is helpful to think about what you intend to use swap for. if i recall correctly, when i installed bodhi 5 i got a swap file instead of a partition but chose to add a partition because i have multiple distros on my hdd and am also interested in hibernation.

Also, if you removed all the partitions, you could just restart the installer (maybe reboot), I'd imagine if there's no partitions it'll create them for you. Just guessing.

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At this point I would agree with Enigma9o7. A reboot of the live USB may very well set up a set of default
partitions for you. If swap is not part of that set up, add it if you can. Swap partition is gonna leave you happier.
A swap file actually takes up space on the root directory, and swap partition separates this dynamic data out
of the file system.
Now, as food for thought, you may want to create partitions to separate out your /home and /usr directories.
With 40GB of space, you certainly have the room. However, if you feel this is currently beyond you, just work with
the defaults.

Hope this helps Craig

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The linux installer simply can't delete windows xp and can't create root and swap.It deleted someting and now Win XP can't boot (Operating system not found).I don't have bootable cd/usb so i guess i'll have to visit the computer repair shop.