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I have an installed windows 8 OS on my C drive and looking forward to install Ubuntu 13.10 as a dual boot alongside Windows 8 OS. I have the following partition set up, System reserved: 100 MB C: 60 GB (NTFS) D: 40 GB (NTFS) E: 50 GB (NTFS) Unallocated: 60 GB

I am trying to install ubuntu on the unallocated space but this is not shown while installing the Ubuntu. I don't know where to create partitions for the ubuntu installation. Can you please guide me here? Thanks!

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during the installation gparted application pups up.. there you set up you partition... –  user568021 Jan 29 at 0:13

2 Answers 2

There are a lot of answers on your question within forum. Like this one Windows 7, 8 are gpt disks commonly. Also read HowTo partition.

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No there isn't. My issue is different from the one you have referred here. My issue is that unallocated space not being shown in the ubuntu installation. Only when i see that, i can create further partitions for ubuntu and complete installation. Hope I am clear. –  user241185 Jan 29 at 0:19
    
how is it different? If you want to install Ubuntu on a GPT disk (you can check it via the sudo parted -l command), you will need either an EFI partition (if your BIOS is setup in EFI mode) or a BIOS-Boot partition (if your BIOS is setup in Legacy mode). Did you check it? –  JohnnyEnglish Jan 29 at 0:24
    
I am new to linux and I am not able to understand your post. What do you mean by GPT disk? I am running windows 8, will the command you have given work? How do I check the partition? –  user241185 Jan 29 at 0:29
    
use the command in Terminal Ctrl+Alt+T sudo fdisk -l to see what partitions your system sees and check if it's gpt disk sudo parted -l for more details about Ubuntu partitions use the guide in my answer HowTo. Or upload screenshots from GParted. –  JohnnyEnglish Jan 29 at 10:12
    
also more than 4 separate partitions don't make sense in Ubuntu (4 is the maximum number of primary partitions you can create) - it's just a matter of personal preference. –  JohnnyEnglish Jan 29 at 10:24

hmm, unallocated would only show up if the section of HDD is not formatted at all. if they are seperate HDD's the contents of E: in the ubuntu istallation would most likely show up as: /dev/sdc showing 110gb (NTFS)

if it is truly 'unallocated' then E: would show up as: /dev/sdc1 50gb (NTFS) and /dev/sdc2 60gb (unallocated)

picking sdc as the HDD to install from even if all of it is formatted as NTFS will bring up the option of allocating a portion of it to ubuntu (EXT) + linux swap filesystems though you must choose to install alongside windows.

you can setup the partitions manually also

remember that /dev/sda is usually what windows would call C: /dev/sdb would be D: /dev/sdc would be E:

sda1 would mean first partition of C: sda2 would mean second partition of C: etc..

though if its one HDD setup in partitionss then c: = sda1 d: = sda2 e: = sda3 etc

hope this explains a little more, when i first installed ubuntu the unix way of identifing partiotions and HDD's was sort of confusing

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