OS X 10.7 Lion wont be available on USB until August -- and then youve got to shell out about 70 for it.

The optimum time to make your bootable disk is early in the install process.

If you did already install it, then follow Apples Lion Recovery instructions to re-download OS X Lion again.

This is key. The install starts automatically -- you need to stop it.

At the initial screen asking if you want to press Continue, DO NOT CLICK CONTINUE.

Just leave the screen up or minimize it, and follow these instructions carefully.

Locate the installer in your Application folder and click it once to select it.

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This will create a copy of the installer labeled Install Mac OS X Lion Copy.

Inside the Contents folder you will find a SharedSupport folder.

Here youll find the InstallESD.dmg inside the ShareSupport folder.

If you backed up the installation file as instructed and dont see it here, find the backup.

Apple, which is selling a 70 USB install disk of its own in August, destroys this file at the completion of most installations.

Open the Applications folder in Finder and locate the Utilities folder.

Move the ESDInstall.dmg file from your Finder desktop to Disk Utility, as shown below.

Drop it into the left-most windowpane inside of Disk Utility.

Once it appears on the Finder desktop, move its icon to the Disk Utility window.

The process copies the InstallESD.dmg image to the USB stick, verifies it and completes.

Install OS X Lion 10.7 just as you installed previous versions of OS X.

Create An Ation Disk For Os X Free Account With

You will need a free account with each service to share an item via that service.