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
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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
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
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
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
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
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
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.
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
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
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
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.
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
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