One of the most common mistakes I see among new Mac users is fumbling with how to install. Installing software from one of these requires you to mount the image and move its contents to your computer’s Applications directory.
You will be asked for your admin password. DMG file is a container file commonly used to distribute applications for Mac OS X. Sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ OS\ X\ Mavericks.app Sudo /Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ OS\ X\ Yosemite.app Sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app Some Mac users may be interested in obtaining macOS Big Sur as a DMG file, so that they can use the disk image with a virtual machine, to create bootable media, for archival purposes, for cloning, or any other reason. Sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ macOS\ Sierra.app Sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ macOS\ High\ Sierra.app Paste that entire command line from below at the Terminal's prompt: Choose the appropriate command line (in red) depending upon what OS X installer you want. dmg file that can be read ONLY by PCs that run mac os already. Open the Terminal in the Utilities' folder.
Click on the Apply button and wait for the Done button to activate.Set the Format type to Mac OS Extended (Journaled.) In the drop down panel set the partition scheme to GUID.Click on the Erase tab in the Disk Utility toolbar.After Disk Utility loads select the drive (out-dented entry with the mfg.'s ID and size) from the side list.
Open Disk Utility in the Utilities' folder.You will need an 8GB or larger USB flash drive that has been partitioned and formatted for use with OS X. Simply replace the Terminal command with the one from the preceding article by copying it into the Terminal window. Second, see this How To outline for creating a bootable El Capitan installer. Bootable USB Installers for OS X Mavericks, Yosemite, El Capitan, and Sierraįirst, review this introductory article: Create a bootable installer for macOS.