If you want to convert DMG to ISO, it's good to learn a little about disk image file types and what they're meant for. Essentially, a disk image is a snapshot of the content on a DVD, CD, BRD or even a hard drive. It could be just a set of media files, but it can also contain software installation files. In the second case, the disk image will also need to contain boot information in order to boot from the media.

• Mounting Dmg From Command Line Download
• Mounting Dmg From Command Line Tool
• Mounting Dmg From Command Line Download
• Mounting Dmg From Command Line System

Specifically, DMG is what Apple uses for the macOS environment, while ISO is more widely used in Windows-based and Linux environment. At times, you may need to convert DMG to ISO so you can mount it as a virtual drive on a Windows machine to extract the contents, view them or burn them to create bootable media. The process to convert DMG to ISO is different based on which operating system you're using for the conversion. This article shows you how to convert DMG files to ISO files on Windows, Mac and Linux.

Method 1: How to Convert DMG to ISO on Windows 10 (DMG2IMG)

DMG2IMG is a software utility that converts DMG files into Apple's older IMG format as well as the universally used ISO format. The process is simple, but it requires some command line work. The steps to use DMG2IMG to convert DMG to ISO have been detailed below:

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Step 1. Download and install DMG2IMG on your Windows computer. Once the installation is done, open File Explorer and go to the location where you downloaded the application.

Step 2. Right-click on the folder where the software has been downloaded, and select 'Open command window here…' to launch Command Prompt.

Step 3. In Command Prompt, execute the following command (click Enter after typing in the command):
dmg2img 'C:UsersSample UserDesktopsample.dmg' 'C:UsersSample UserDocumentsConvertedRandom.iso' Open dmg file free.

Step 4. Please note that the double-quotes are required only if you have a space in your file path. In this example, there's a space between Sample and User, so the quotes are needed. If there are no spaces, you can do away with the quotes.

This method only works in 32-bit Windows versions. The conversion is usually done accurately, but you may come across errors that can corrupt the output ISO file. If you're going to be doing a lot of such conversions from DMG to ISO, we recommend getting a proper software utility.

Method 2: How to Convert DMG to ISO on macOS (Disk Utility)

Mounting Dmg From Command Line Download

Mac OS X and macOS offer an easier way to convert DMG to ISO, which is only natural because DMG is the native disk image format used by Apple. The Disk Utility that's built into Mac will help you do the conversion from DMG to ISO. Follow the steps below to convert your disk image files:

Step 1. Launch Disk Utility in Mac from Applications > Utilities.

Step 2. Open a Finder window and double-click on the DMG file to mount it. You should be able to see it on the left panel in Disk Utility.

Step 3. Right-click the DMG file in the left panel and select 'Convert'. In the new window that appears, select 'DVD/CD Master' as your output and click on Save. This will save your DMG file in a format with the extension .cdr.

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Step 4. Rename the file by replacing .cdr with .iso. The file is now in the ISO format.

The exported ISO file can now be burned to a disk, or mounted within Mac as a virtual drive so you can view or extract the contents. The conversion process is quick, and it's convenient because it does not require any additional software.

Method 3: How to Convert DMG Files to ISO on Linux

In a Linux machine, you can use Terminal to convert DMG to ISO. For this, you will first need the Linux version of DMG2IMG. You can get it using a Terminal command, as shown below:

Step 1. Execute the following command in Terminal:
sudo apt-get update
sudo apt-get install dmg2img

Step 2. You can now proceed with the conversion command: dmg2img example.dmg example.iso

Step 3. You can also define a specific file path for the output (converted) file, but this basic command is what you need to use for the conversion.

As with any file conversion, the process to convert DMG to ISO could present some hurdles, such as corrupted files at output. If you see this happening multiple times, it's possible that the source file itself is corrupted. In such cases, it's better to try and get an authentic download rather than struggle with a corrupt file. In any case, if you're sure the DMG file is verified, these methods to convert DMG to ISO in Windows, macOS and Linux should work for you.

Related Articles & Tips

How do I access my enterprise NAS server by mounting NFS filesystem onto my Mac OS X based system using GUI and command line based tools?
Network File System (NFS), a distributed file system protocol developed by Sun Microsystems. NFS is the common for file sharing on NAS server and Linux / UNIX systems like, HP-UX, Solaris, Mac OS X, and others. Mac OS X can be setup as an NFS client to access shared files on the network. Mounting NFS volumes in OS X can be done using following methods:

a] Command line option.

b] GUI option.

macOS X Mount NFS Share / Set an NFS Client

Our sample setup for macOS client and nfs server:

nas01 allows your users or client compute to access files over a network. Mac OS can mount file system over a network and work as they are mounted locally. This is perfect for sharing files or centralized home directories. See how to setup an NFS server under RHEL / CentOS Linux and Ubuntu Linux here.

How Do I Find Out Shared Directories?

To mount an NFS file system, the resource must be made available on the NAS or NFS server. To verify that resource available open the terminal and type the following command:
$ showmount -e nas01
$ showmount -e nfs-server-ip-address-here
$ showmount -e nas01.lan.nixcraft.net.in
Sample outputs:

The showmount command show remote NFS mounts (resources).

Mac OS X Nfs mount Command

First, create a directory to mount an nfs share, enter:
$ sudo mkdir /private/nfs
$ sudo mkdir /private/mp3
To mount an NFS file system, enter:
$ sudo mount -t nfs nas01:/mp3 /private/nfs
OR
$ sudo mount -t nfs 192.168.3.1:/mp3 /private/nfs
To mount an NFS file system in read/write mode, enter:
$ sudo mount -o rw -t nfs nas01:/mp3 /private/nfs

Tip: Operation not permitted Error

If you get an error which read as follows:

Try to mount it as follows with -o resvport command:
$ sudo mount -t nfs -o resvport 192.168.3.1:/mp3 /private/nfs
OR mount an NFS in read/write mode, enter:
$ sudo mount -t nfs -o resvport,rw 192.168.3.1:/mp3 /private/nfs
From the man page:

resvport
Use a reserved socket port number. This is useful for mounting
servers that require clients to use a reserved port number on the
mistaken belief that this makes NFS more secure. (For the rare
case where the client has a trusted root account but untrustwor-
thy users and the network cables are in secure areas this does
help, but for normal desktop clients this does not apply.)

Verify: NFS Is Working or Not

Type the following commands:
$ df -H
$ cd /private/nfs
$ ls -l
Sample outputs (note I’ve mounted it at /private/mp3/ dir):

How Do I Copy Files?

Use the cp command:
$ cp /path/to/file.doc /private/nfs/
$ cp -a /path/to/*pl /private/nfs/
$ cp /private/nfs/mp3/*.mp3 ~/mp3

Using the Finder

Note: The following entry “NFS mounts” in the Disk Utility does NOT exist in MAC OS X v10.8+. The following discussion only applies to the older Mac OS X version <= 10.7.x and eariler.

The Finder is the default file manager used on the Mac OS and Mac OS X operating systems that is responsible for the overall user-management of files, disks, network volumes and the launching of other applications. Open Finder > Shared (select from the left sidebar) > NFS server (nas01 or 192.168.3.1):
Now, you can copy and paste files as usual.

Recommend mount Command Options

I suggest that you run the mount command it as follows to get better a performance:
$ sudo mount -t nfs -o soft,intr,rsize=8192,wsize=8192,timeo=900,retrans=3,proto=tcp nas01:/sales /private/sales
OR
$ sudo mount -t nfs nfs -o soft,timeo=900,retrans=3,vers=3, proto=tcp nas01:/sales /private/sales
See mont_nfs(8) for more information.

GUI Method: HowTo Set Mac OS X As an NFS Client

To mount an NFS share from OS X using GUI tools, follow these steps:

[1] Start Finder, and go to Applications / Utilities / Disk Utility:
You will see the disk utility as follows:

[2] Alternatively, you can select “Disk utility” > click on File > Mount NFS as follows:
You will see an “NFS mounts” window as follows:
[3] Click on “+” icon:
You need to enter your remote NFS server URL (IP address or dns name) in the following format:
nfs://192.168.3.1/mp3
nfs://nas01/mp3
Where,

1. 192.168.3.1: NFS server IP address.
2. nas01: NFS server dns name.
3. mp3: Shared nfs directory name.

You need to set mount location as follows:
/Volumes/mp3
/Volumes/mp3 is nothing but the mount location. This is a convenient place. In this example, you entered the URL as nfs://192.168.3.1/mp3, enter /Volumes/mp3 as the mount location. Please note that don’t create the subdirectory (mp3); it will be created dynamically when the share is mounted.

Optional

Click the arrow in front of “Advanced Mount Parameters”. A new text entry box is displayed. Enter: resvport (this is only required if you get some sort of error [see above for more info or read mount_nfs man page]).
[4] Finally, click “Verify” button at the bottom right:
[5] You will see a popup window, stating that “The NFS server appears to be functional” > Click “OK” button to continue. Finally, Click “Save” button. You may be prompted for the password to make changes. Your NFS share should appear at the mount location you entered above i.e. /Volumes/mp3.

You can access /Volumes/mp3 using the Finder:

You can also use command line options:
$ ls /Volumes/mp3
$ cd /Volumes/mp3
$ cp /path/to/something.file.in file.out
$ rsync -av [email protected]:/var/www/html/ server.backups/

See also:

Mounting Dmg From Command Line Tool

This entry is 3 of 15 in the

Mounting Dmg From Command Line Download

Linux / UNIX NFS File Server Tutorial series. Keep reading the rest of the series:

Mounting Dmg From Command Line System

1. Mac Os X: Mount NFS Share / Set an NFS Client

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