These advanced steps are primarily for system administrators and others who are familiar with the command line. You don't need a bootable installer to install macOS, but it can be useful when you want to install macOS on multiple computers without downloading the installer each time.
Download macOS
OS X Mavericks (version 10.9) is the tenth major release of Mac OS X (now named macOS), Apple’s desktop and server operating system for Macintosh computers. OSX Mavericks is an impressive operating system which has come up with lots of new features and updates.
Use the 'createinstallmedia' command in Terminal
* If your Mac is using macOS Sierra or earlier, include the Use the bootable installerAfter creating the bootable installer, follow these steps to use it.
Learn moreFor more information about the Mojave: Mac Os 10.9 Mavericks DownloadHigh Sierra: Sierra: El Capitan: OS X Mavericks is the third version of OS X to be sold primarily as a download from the Mac App Store. This has several advantages, the biggest of which is almost immediate delivery. With just a click or two, you can download and install the software from the online store. As with previous downloadable OS X installers, this one assumes that you're ready to go; it launches the OS X Mavericks installation app as soon as the download is complete. ![]() That's all well and good for many Mac users, and very convenient as well, but we like to have a physical copy of the installer, just in case we need to reinstall the OS or wish to install it on another Mac we own, without going through the download process again. If you would like to have a physical backup of the OS X Mavericks installer, our guide will show you how to create it. Two Methods of Creating a Bootable Mavericks InstallerThere are two different methods that can be used to create a bootable Mavericks installer. The first one makes use of Terminal and a hidden command that is deep within the Mavericks installer package that can create a bootable copy of the installer on any mounted bootable media such as a flash drive or external drive. It's only real disadvantage is that it doesn't work directly to burn a bootable DVD. It does work very well when a USB flash drive is a targeted destination. You can find out more about this method in the guide How to Make a Bootable Flash Installer of OS X or macOS. The second way and the one we will take you through here is a manual method that uses the Finder and Disk Utility to create the bootable installer. What You NeedYou can create the physical backup of Mavericks on a number of different types of media. The two most common are probably USB flash drives and optical media (a dual-layer DVD). But you're not limited to these two options; you can use any type of bootable media, including external drives connected via USB 2, USB 3, FireWire 400, FireWire 800, and Thunderbolt. You can also use an internal drive or partition if your Mac has more than one internal drive installed. For this guide, we're going to concentrate on creating a bootable USB flash drive to hold the OS X Mavericks installer. If you prefer to use an internal or external drive, the process is similar, and this guide should work just fine for you.
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Download Mac Os X Mavericks Iso Highly CompressedFinding the OS X Mavericks Installer ImageIn order to create a bootable copy of the OS X Mavericks installer, you must locate the InstallESD.dmg file that's hidden in the OS X Mavericks installer you downloaded from the Mac App store. This image file contains a bootable system and the files necessary to install OS X Mavericks. Since the installer image file is contained within the OS X Mavericks installer app, we must first extract the file and copy it to the Desktop, where we can then easily make use of it.
When the process is finished, you'll find a copy of the InstallESD.dmg file on your Desktop. We'll use this file in the next series of steps.
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Copy the Mavericks Installer Files to Make a Bootable USB Flash DriveWith the InstallESD.dmg file copied to the Desktop, we're ready to create a bootable version of the file on a USB flash drive. Format the USB Flash DriveThe next series of steps will erase all data on the USB flash drive. Before proceeding, make a backup of the data on the flash drive, if any.
Reveal What Is HiddenThe OS X Mavericks installer has a few hidden files that we need to be able to access in order to make the USB flash drive bootable.
Mount the Installer
![]() Copy the Packages FolderSo far, we've created a bootable USB flash drive that contains just enough of a system to allow your Mac to boot. And that's about all it will do until we add the Packages folder from the InstallESD.dmg file to the OS X Base System you just created on your flash drive. The Packages folder contains a series of packages (.pkg) that install various pieces of OS X Mavericks.
You now have a bootable USB flash drive that you can use to install OS X Mavericks on any Mac you own. Mac Os X Mavericks Iso Niresh Distro DownloadHide What Should Not Be SeenMac Os X 10.9 Mavericks Iso DownloadThe last step is to use Terminal to hide the special system files that shouldn't normally be visible. Download Os X Mavericks InstallerFollow the instructions in View Hidden Folders on Your Mac Using Terminal to make these files invisible again.
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