Dual-boot is the process of having two (or more) operating systems installed on a computer, allowing one to be chosen during the boot process.

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How do I add PC BSD / FreeBSD to Grub 2 boot loader?

I have Ubuntu 10.04 installed as my primary operating system, and I installed PC BSD in a different partition: /dev/sda4 without installing it's boot loader. I figured out that I need to edit ...
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Installing Grub 2 on a USB flash drive

MultiBootISOs is a tool that let you install Grub on a USB flash drive. I really like it because it lets me boot from ISO files and let me put a bunch of ISOs on my USB and choose which one to boot. ...
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Grub location - did it go to the mbr or elsewhere?

I have a dual boot setup with linux and Windows 7 with Grub as the bootloader. My partition table looks like this: 100 MB System Reserved Windows 7 500 GB Windows 7 100 MB /boot - ext2 500 GB linux, ...