You can use the Terminal application and employ the hdiutil create command to create a disk image from the command line. Select the location where the image is to be stored.ħ.

Provide your details for source and targets.ĥ.

Here are three methods for making a DMG file on your Mac. There are several ways that you can create a disk image on your Mac. Mac users will usually find themselves interacting with DMG disk image files. The ISO format is more favored by the Windows operating system. Two of the more popular formats are the DMG and ISO disk image formats. Disk images can be useful in many ways, such as:ĭisk images can be made in a variety of formats.

It is an exact copy of the source device that includes the files and structure of the original storage medium. What is a Disk Image?Ī disk image is a single file or storage device that usually contains a sector-by-sector replica of all of the data from a storage device such as a hard drive, DVD or floppy disk.

Let’s take a closer look at what a disk image is and how you might be exposed to them while using your Mac. You might find that obtaining a deeper understanding of the technology you take for granted can help you in unexpected ways.Ī case in point is the entity known as a disk image. While it is not a necessity to understand every aspect of your computer and operating system in order to put them to very productive uses, there are times when it’s worth looking under the hood to see what’s really going on. The Mac’s ease of use often insulates us from the inner workings of the incredible technology that lurks behind its elegant interface.

One of the most appealing characteristics of the macOS is the combination of power and simplicity that the operating system provides a user.

Mac disk image writer