I ran into a situation of editing bootable dmg for my need, I utilized the hdiutil shadow mode for my purpose and thought share best possible way to edit read only dmg with community.
Where did you get the file that you're so concerned? It's honestly not very often that you will find ANY malware for the Mac, ever. I believe most Windows anti-virus software can scan DMGs, and most Mac anti-virus software just scans for Windows viruses so a Mac user can't pass it on to their friends. Best possible way to edit read only DMG Last updated on May 1, 2016 Jeevanandam M. I ran into a situation of editing bootable dmg for my need, I utilized the hdiutil shadow mode for my purpose and thought share best possible way to edit read only dmg with community. Once changed, any user who has read and write privileges can edit the DMG file, as well as lock the file. Hold “Control” on your Apple keyboard and click the DMG file. Release “Control” and click “Get Info” in the pop-up shortcut menu. Click the checked box next to “Locked” to disable the file’s read.
What is DMG file and what’s the purpose of it?
Advantages:
- Preserve bootable state of dmg
- Eliminate a space required to convert read-only dmg to read-write
- Add, edit, delete any items on dmg
- Less time consuming as compare to other approaches
Edit Read Only DMG
Step 1
Here’s how to convert a DMG file into an ISO file that can be mounted on a Windows PC. First head over to this website and grab yourself a copy of dmg2img by clicking on the win32 binary link. Once the file has downloaded, open your Downloads folder, right click on the file, and select extract all from the context menu. A DMG file is like one of these devices in that it serves as a means to encapsulate documents, images, software, and other files. The difference is that with a DMG, there is no physical storage medium. There is only the DMG file, which can be written to a hard drive, burned to a CD or DVD, or sent over the Internet.
Attach read-only dmg file using hdiutil
