I currently run Windows 7 and Ubuntu 12.04 as a dual-boot system. I need Linux, but Ubuntu freezes at least once a day. So I want to replace it with another distribution like Debian or LMDE. On the other hand I am a little concerned that I'll have troubles working with a less user friendly operating system than Ubuntu. So would it be possible to just scale down the Windows partition and install the next Linux as a third system? Thus, with a "triple-boot system" I could keep Ubuntu until I feel familiar with the new system. Afterwards, I guess, it should be possible to replace the Ubuntu partition by expanding the new system?

  • Ubuntu 13.10 was release yesterday. Give it a shot. – kobaltz Oct 18 '13 at 16:23
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    kiloseven is right, but be careful. When you resize the windows partition, there is a chance you may lose your data. Resizing a partition is an inherently dangerous process. Do yourself a favor, back-up all of your data before the beginning of this operation. And, BTW, you should open a post to try to clarify why your Ubuntu freezes, it simply shouldn't. – MariusMatutiae Oct 18 '13 at 18:56
  • Backup, backup, backup ! MM is absolutely right ! – K7AAY Oct 22 '13 at 17:53
  • Ok I gave it a try, in principal it worked and I lost no data. On the other hand I rediscovered the messy partitioning that already existed before, since at that time I did not dare to change the partitioning of the pre-installed Windows. I will now remove all the unused files from the Windows partition and after a new backup reinstall Win+Debian(+Ubuntu) in a clean organization. – aldorado Oct 24 '13 at 7:16

In a word, YES. GRUB and GRUB2 accommodate multiple OS. http://www.pagestart.com/win7heptaboot01.html has more info, as does https://askubuntu.com/questions/351002/triple-boot-ubuntu-windows-showing-up-but-not-red-hat

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