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How to Get macOS Big Sur as a DMG File

May 3, 2021 - 15 Comments
macOS Big Sur DMG

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. It turns out that macOS Big Sur is available to download as an installer application, … Read More

How to Make a Disk Image from DVD / CD on Mac

Apr 1, 2021 - 1 Comment

Need to make a disk image from a CD or DVD right on a Mac? Many Mac users continue to have and use DVD and CD media, whether it’s movie collections, proofs, music collections, files and data backups, old media, medical imaging, or anything else. Despite the fact that no Mac ships with a DVD/CD … Read More

How to Convert .bin and .cue to ISO on Mac

Aug 5, 2018 - 3 Comments
How to convert bin and cue to iso on Mac

Every once in a while you may encounter .bin and .cue files, or a cue/bin cue sheet, of a disk image, often when downloading old Mac software (or even DOS, Windows, Linux) for a retro machine, for an audio or video disc, or just as a disk image of something. Mac users therefore may need … Read More

How to Convert ISO to VDI Virtual Box Image

Jun 17, 2018 - 1 Comment

If you’re a regular VirtualBox user, you may appreciate knowing how to convert an ISO image file (.iso) into a VDI Virtual Box image file (.vdi). Converting an iso to vdi is different from simply booting VirtualBox from an iso, instead it is taking an .iso image, for example of a live boot image, and … Read More

How to Write an .img to SD Card on Mac the Easy Way with Etcher

Jan 11, 2018 - 8 Comments
Write image files to SD card on Mac easily with Etcher

If you need to burn an .img image file to an SD card from a Mac, you may have discovered that there isn’t a particularly obvious way to do so with a default GUI app like Disk Utility. Not to worry though, an excellent free third party solution exists called Etcher, which makes burning image … Read More

How to Burn Disc Images in Mac OS Without Disk Utility

Nov 22, 2015 - 31 Comments
Burn an ISO in Mac OS X

Apple removed the ability to burn disc images from Disk Utility from MacOS High Sierra, Sierra, OS X 10.11 El Capitan, and newer, and while that makes sense for many Macs that no longer have SuperDrives, CDRW, and DVD burners, for those who use an external burner, use disc drive sharing, or who do have … Read More

How to Copy an ISO to a USB Drive from Mac OS X with dd

Jun 5, 2015 - 92 Comments
Find the disk identifier with diskutil list to direct dd to

If you have downloaded an ISO image of another operating system, say Ubuntu Linux or Windows 10, and you wish to turn that ISO image file into a bootable USB installer drive using a USB flash drive or USB key, you’ll find the most reliable way to copy or ‘burn’ the ISO to that target … Read More

Convert DMG to CDR or ISO with Disk Utility

Jul 18, 2012 - 17 Comments
Convert a DMG to CDR or ISO

Need to convert a DMG disk image file to a CDR or ISO disk image format? Don’t bother downloading any third party tools, all you need for conversion is built right into Mac OS X and you don’t even have to go the command line route for most cases.

How to Create a Disk Image of an Entire Mac Hard Drive

May 23, 2012 - 10 Comments
Create a disk image of a Mac hard drive

You can create an image of a Mac hard drive with the help of a free third party utility called Carbon Copy Cloner. The resulting disk image will be saved as the familiar .dmg format, which has a number of potential uses ranging from creating a drive clone for backup purposes, restoring the image elsewhere … Read More

How to Burn an ISO Image from Command Line of Mac OS X

Mar 13, 2012 - 13 Comments
disk identifier found from diskutil list

The most straight forward way to burn an ISO from a Mac is using Disk Utility, but you can also burn ISO’s and disk images directly from the command line with the help of a tool called ‘dd’. This works for Mac OS X and Linux, but we’re going to be focusing on the Mac … Read More

Password Protect Folders & Files in Mac OS X with Encrypted Disk Images

Jan 11, 2012 - 25 Comments
Password Protect a Folder and Files in Mac OS X

You can password protect files and folders in Mac OS X by using a trick with disk images. Here’s how it works; by placing files inside of an encrypted disk image, that disk image will work like a password protected folder and require a password before it’s mounted, preventing unauthorized access to all of the … Read More

Mount a DMG from the Command Line in Mac OS X

Dec 17, 2011 - 17 Comments
Mount a DMG from the Command Line in Mac OS X

A helpful command line tool called hdiutil is included in Mac OS X that allows disk image files (.dmg extension) to be mounted directly from the Terminal, without the need of using the GUI. Using hdiutil for such a task is helpful for scripting or remote connections through SSH.

Convert a Nero Image File to ISO

Sep 25, 2009 - 8 Comments

Someone recently sent me a Nero Image File and I had no idea what to do with it, but after some looking around I discovered you can easily convert a Nero image File to ISO format. Apparently the only difference between a Nero Image File and a typical ISO is that Nero adds a 300k … Read More

How to Burn an ISO on your Mac

Sep 11, 2009 - 8 Comments

Burning an ISO in Mac OS X is very easy thanks to the built-in Disk Utility application that is included from Apple on every Mac. With Disk Utility being bundled with Macs directly from Apple, it also has the huge added bonus of being free, and although there are plenty of paid options out there, … Read More

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