How to create a bootable iso image from a bootable flash drive

bootbootable-mediaiso-imageusb-flash-drive

I have a bootable installer image of Win7x64 on a flash drive. How can I create a bootable iso of it to use with VMware Workstation et al?

I have used Plop Boot Manager, but I'd really like to make an ISO of this installer drive.

This question is NOT 'How do I create a bootable flash drive from an ISO?'. Rather, it's the reverse. =)

Best Answer

If you are working from within a Linux system (or have access to one), then you can use the 'dd' command to make an ISO from your USB device. 

Example: $ dd if=/dev/sdb of=~/usb_image.iso

the 'if' argument designates the input source/file, and the 'of' argument designates the output location name.

Along the same lines, if you have a directory inside your file system that you want to create an ISO out of its contents, then you can use the 'mksiofs' command.

Example: $ mkisofs -o ~/image.iso /source/directory

The the path after the -o parameter is the path where the ISO will be created and the last argument is the path of the source directory.

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