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Use the 'createinstallmedia' command in Terminal It installs an app named Install OS X El Capitan into your Applications folder. Open this file and follow the onscreen instructions. OS X El Capitan downloads as a disk image that contains a file named InstallMacOSX.pkg.
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It installs an app named Install macOS Sierra into your Applications folder.
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Then create a directory that will contain all the files that you want included in the DMG file. HOWTO: Build a DMG file from the command line on Mac OS X The first step is to create an Apple Disk Image File (DMG) distribution in a GUI tool, I used DMG Packager.
#Download cleanmymac version 4.2.1 how to
How to Install Command Line Tools in Mac OS X (Without Xcode) 37 Comments Mac users who prefer to have a more traditional Unix toolkit accessible to them through the Terminal may wish to install the optional Command Line Tools subsection of the Xcode IDE.