hdiutil convert -format UDRW -o targetfile.img inputfile.iso.Open up the Mac OS terminal app, located in Applications, UtilitiesĬhange directory to where your iso file is and type the following: Copy your img file to your USB stick or SD Card.The below lists the high level summary of steps we’re about to take during this howto. All required tools come standard with Mac OS.A USB stick or SD card (doesn’t matter which).

The main thing to know is it’s what you generally use on Windows, though mac can read this as well. It’s name comes from ISO9660 referring to a CDROM standard.

iso file – An iso file is a long standing format designed to be a complete copy of an optical disk.

img file – Essentially img and dmg are the same thing, it’s a throw back from earlier mac days, but basically both img and dmg are used on mac.What’s the difference between are each of these file formats?

(Windows is now offering a USB stick download, but if you have a mac, it’s actually easier to use this process anyway).

An iso file to download in the case of windows.

A dmg file to download in the case of mac or.

Windows 10), you’ll typically have two choices: A container file is useful because it is not constrained to the size limitations of current generally available optical media and most crucially remains the simplest way to create a ‘boot disk’ to perform installation and recovery options for the target system.įor example, when a new version of Mac OSX or Windows comes out (i.e. Simply put, these are called ‘container’ files, which typically emulate traditional CD or DVD optical media, which have files contained within.

You may also want to convert apple’s native dmg format to iso or vice-versaįoreword To be clear, what exactly is an img, dmg or iso file?.

Micro SD installation media for a Raspberry Pi.

Installation media for a Linux operating system such as Ubuntu, Sabayon, Redhat, SuSe or any other flavour.

Installation media for Windows 10, 7 or any other version.

To create bootable installation media on a USB stick such as:.

Please see the ‘Summary Overview’ tab below for a high level view of the objectives this ‘howto’ will achieve.

This article will enable you to convert an iso, dmg or img file to a bootable usb stick or SD Card on mac OSX using the command line.

Mac os iso usb bootable