How does OS X yosemite system make u disk installation disk?

OS X Yosemite system has been officially released to provide downloads, this article small set to teach you how the OS X Yosemite system how to make U disk installation disk.

Need to be validated by the system, so you only have to make the way to start the USB drive to upgrade to OS X 10.10, and you need to know that this way to upgrade to the OS X10.10 its hard disk will be formatted, so please back up all your information.

First, you need to download the full OS X Yosemite installer from the App Store, which will be stored in the application (/applications) folder after downloading. Note that you must not start the program directly to install OS X Yosemite at this time because the installer will be deleted once the installation is complete. At the very least, you should start the program installation before you finish the standalone installation media.

Prepare the standalone installation disk media: You need a capacity of at least 8GB mobile storage device, such as U disk, mobile hard disk or SD card, insert it into the MAC, and start the disk tool to the media to perform "erase" operation, please back up the media before the important data. Please name the letter "Untitled" format [Mac os Extended (journaled)]/[mac os Extension (log)].

To make an installation disk from the Terminal command: Open terminal, execute the following command at the command line, and enter your OS X admin login password when prompted for a password.

The main difference between Chinese and English is that you download the installer (Install OS X Yosemite) is in English, (Install OS X Yosemite) is the Chinese version.

English version

Sudo/applications/install OS X Yosemite.app/contents/resources/createinstallmedia--volume/volumes/untitled-- Applicationpath/applications/install OS X Yosemite.app--nointeraction

Chinese version

sudo/applications/Install OS X yosemite.app/contents/resources/createinstallmedia--volume/volumes/untitled-- applicationpath/applications/Install OS X yosemite.app--nointeraction

Copy the code directly, and then command+v paste it into the terminal.

Finished production: If all normal words "terminal" interface will show erasing disk:0% ... 10%.. 20%.., and finally finished the production. After making, you can use the media to start any compatible OS X Yosemite mac (you need to insert the media on the target Mac, and then hold down the option key on the power-on) to start the OS x Yosemite installation trip.

Here to remind: Click Option after the choice of U disk installation, after entering is the disk tool can be selected to format the hard drive pure installation (not very recommended to do, as well as the use of Bootcamp dual system of people do not point) here we do not understand the dual system, Our 10 version of the MBP upgrade Mavericks when using this method dual system still exist, but the new system landlord can not guarantee, if anyone who tried please tell us.

* If you name the letter other than the one, change the/volumes/untitled to the/volumes/{letter name in the command.