Contents
How do I download OS X installer from terminal?
How to use Terminal to download macOS updates and installation files
- Begin opening macOS Catalina’s Terminal by going to Finder > Applications > Utilities > Terminal.
- Type one of the following commands into Terminal:
- To download the latest macOS update , type: softwareupdate —fetch-full-installer.
How do I download OSX installer?
Downloading Mac OS X Installers from App Store “Purchases”
- Open the App Store.
- Go to the “Purchases” section (newer App Store versions must go to Account > Purchases)
- Scroll down the list of Purchased items to locate the Mac OS X Installer version you wish to re-download, then click on the download button.
How do you install Mac OS on a flash drive?
Use the ‘createinstallmedia’ command in Terminal. After downloading the installer, connect the USB flash drive or other volume you’re using for the bootable installer. Make sure that it has at least 12GB of available storage and is formatted as Mac OS Extended.
Do you need bootable installer to install Mac OS?
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 upgrade macOS or reinstall macOS, but it can be useful when you want to install on multiple computers without downloading the installer each time.
Where is the createinstallmedia command on a Mac?
For information about the createinstallmedia command and the arguments you can use with it, make sure that the macOS installer is in your Applications folder, then enter the appropriate path in Terminal:
How to make a bootable flash drive in OS X?
Note: when you format the drive you intend to make a bootable installer, call it “Untitled”. OS X createinstallmedia will change the name later. So the command would look like