OSX 建立可開機媒體 /OSX Create USB bootable installer

OSX 建立可開機媒體

MAC OSX 從10.9 Mavericks 開始支援建立USB開機碟

首先先從APP 下載OSX  / Download OSX from APP Store

媒體建立工具 / command name is

createinstallmedia

位於 /Applications/Install OS X El Capitan.app/Contents/Resources

/Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/

語法

--volume
要建立的磁碟路徑

--applicationpath
OSX來源路徑

範例：在終端機程式中
輸入

sudo /Applications/Install OS X El Capitan.app/Contents/Resources/ createinstallmedia --volume /Volumes/隨身碟名稱 --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app

Sample Screen

sudo /Applications/Install OS X El 
./createinstallmedia --volume /Volumes/SP_16G_Slim --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app
Ready to start.
To continue we need to erase the disk at /Volumes/SP_16G_Slim.
If you wish to continue type (Y) then press return: Y
Erasing Disk: 0%... 10%... 20%... 30%...100%...
Copying installer files to disk...
Copy complete.
Making disk bootable...
Copying boot files...
Copy complete.
Done.