How to make Mac OS X 10.10.4U disk installation disk

　　 How to make a Mac OS X 10.10.4U disk installation disk

1, first, we need to prepare a 8G or more space of u disk or external hard disk, and through the disk tool (Diskutility) partition and erase, to ensure that u disk or external hard disk to use the partition method: GUID, Format: Mac log type, as shown in the picture

2, Partition name: PC6 (note) set to the same name

3, the need to download the Yosemite in the MAC Apps Store installation program, and stored in the default path. (The default path is: finder-application (applications))

4, through the terminal paste into the following command, and enter the password of the administrator (note that the password entered the password process will not have any display, the password is displayed as a origin)

Sudo/applications/install OS X Yosemite.app/contents/resources/createinstallmedia--VOLUME/VOLUMES/PC6-- Applicationpath/applications/install OS X Yosemite.app

5, the terminal will show progress bar, as long as you see "finished" of the words, the representative has created success! (The actual test installation is done)

6, and then restart the computer, heard the "dang" voice at the same time, hold down the option key, you can see already made a good OS X10.10.4 disk installation disk.