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I would like to make a bootable USB flash drive with Diskwarrior, techtool pro, and some other utilities. Does anyone have any suggestions as to the best way to go about doing this?

I was hoping to keep the total image unter 8GB, but I could do 16.

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Flash drive or external hard drive? What size? – Nathan Aug 15 '11 at 3:02
@Nathan: Flash, lets say 8GB. – Zach Aug 15 '11 at 3:09
up vote 1 down vote accepted

There's a utility called DasBoot which allows precisely this:

However, I'm not sure whether it is Lion compatible.

If DasBoot doesn't work, there is another, sure fire way of achieving this.

Simply install Lion (or Snow Leopard) onto your USB drive. You should be able to do so with a 16GB, since the minimum disk space requirement for Lion is only 7GB, and it may even work with a 8GB.

Instructions here:

Then you can simply install the things you need. AFAIK this is what the Geniuses in the MacStore do, and probably how I would do it myself.

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