Part 1: How to Burn DMG to USB on Mac for Free (Disk Utility) The native disk image utility on Mac is ideal for burning a DMG to a USB drive. Once you burn the file to the drive, this drive can be used to install the associated application on any other Mac system. Jul 20, 2017 Mac App Store: Click a Button to Install an App. We’re all used to app stores on our phones, but on the desktop they remain an oddity. Still, the Mac App Store is a decent first place to check. Open the store, search for the app you want, and click “Get” then “Download.”.
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Disk Utility User Guide
Jan 24, 2018 Mac Users obviously can not download High Sierra App from Apple store, then locate where to get the InstallESD.DMG from the installer in Applications folder: Right mouse on Install MacOS High Sierra app, then choose Show Packages Contents to reveal Contents folder. MacOS High Sierra InstallESD.DMG is found under: Contents/SharedSupport/. Install MacOS Mojave on Vmware, Virtualbox, and PC. While you download the MacOS Mojave dmg file then in the second step you might want to install it on Vmware or Virtualbox. To install MacOS Mojave on Vmware or Virtualbox, you have to create a bootable USB for it. Therefore, there is a various way to create a bootable USB for MacOS Mojave. Jul 10, 2018 In this tutorial we will show you step by step how to create ans make a bootable USB Flash Drive from a Mac OSX.DMG image file from Windows 10 (Sometimes called pen drive / thumb dive) so you.
You can use Disk Utility to create a disk image, which is a file that contains other files and folders.
Note: You can burn information to a CD or DVD using the Burn command in the Finder. See Burn CDs and DVDs.
Create a blank disk image for storage
You can create an empty disk image, add data to it, then use it to create disks, CDs, or DVDs.
In the Disk Utility app on your Mac, choose File > New Image > Blank Image.
Enter a filename for the disk image, add tags if necessary, then choose where to save it.
This is the name that appears in the Finder, where you save the disk image file before opening it.
In the Name field, enter the name for the disk image.
This is the name that appears on your desktop and in the Finder sidebar, after you open the disk image.
In the Size field, enter a size for the disk image.
If the disk image will be used with a Mac that has a solid state drive (SSD) and uses macOS 10.13 or later, choose APFS or APFS (Case-sensitive).
If the disk image will be used with a Mac with macOS 10.12 or earlier, choose Mac OS Extended (Journaled) or Mac OS Extended (Case-sensitive, Journaled).
If the disk image will be used with a Mac or Windows computer and is 32 GB or less, choose MS-DOS (FAT); if it’s over 32 GB, choose ExFAT.
To encrypt the disk image, click the Encryption pop-up menu, then choose an encryption option.
Click the Partitions pop-up menu, then choose a partition layout.
Click the Image Format pop-up menu, then choose an option:
Sparse bundle disk image: Same as a sparse disk image (below), but the directory data for the image is stored differently. Uses the .sparsebundle file extension.
Sparse disk image: Creates an expandable file that shrinks and grows as needed. No additional space is used. Uses the .sparseimage file extension.
Read/write disk image: Allows you to add files to the disk image after it’s created. Uses the .dmg file extension.
DVD/CD master: Changes the size of the image to 177 MB (CD 8 cm). Uses the .cdr file extension.
Click Save, then click Done.
Disk Utility creates the disk image file where you saved it in the Finder and mounts its disk icon on your desktop and in the Finder sidebar.
In the Finder, copy your files to the mounted disk image, then eject it.
Restore the disk image to a disk.
For more information about disk image types, see the manual (man) page for hdiutil.
Create a disk image from a disk or connected device
You can create a disk image that includes the data and free space on a physical disk or connected device, such as a USB device. For example, if a USB device or volume is 80 GB with 10 GB of data, the disk image will be 80 GB in size and include data and free space. You can then restore that disk image to another volume.
In the Disk Utility app on your Mac, select a disk, volume, or connected device in the sidebar.
Choose File > New Image, then choose “Image from [device name].”
Enter a filename for the disk image, add tags if necessary, then choose where to save it.
This is the name that appears in the Finder, where you save the disk image file before opening it.
Click the Format pop-up menu, then choose an option:
Read-only: The disk image can’t be written to, and is quicker to create and open.
Compressed: Compresses data, so the disk image is smaller than the original data. The disk image is read-only.
Read/write: Allows you to add files to the disk image after it’s created.
DVD/CD master: Can be used with third-party apps. It includes a copy of all sectors of the disk image, whether they’re used or not. When you use a master disk image to create other DVDs or CDs, all data is copied exactly.
To encrypt the disk image, click the Encryption pop-up menu, then choose an encryption option.
Click Save, then click Done.
Disk Utility creates the disk image file where you saved it in the Finder and mounts its disk icon on your desktop and in the Finder sidebar.
Important: Don’t create a disk image of a disk that you believe to be failing or that contains corrupted information. The disk image may not serve as a reliable backup.
For technical information about creating a restore disk image, see the Apple Software Restore (ASR) manual (man) page.
Create a disk image from a folder or connected device
You can create a disk image that contains the contents of a folder or connected device, such as a USB device. This method doesn’t copy a device’s free space to the disk image. For example, if a USB device or volume is 80 GB with 10 GB of data, the disk image will be 10 GB in size and include only data, not free space. You can then restore that disk image to another volume.
In the Disk Utility app on your Mac, choose File > New Image, then choose Image from Folder.
Select the folder or connected device in the dialog that appears, then click Open.
Enter a filename for the disk image, add tags if necessary, then choose where to save it.
This is the name that appears in the Finder, where you save the disk image file before opening it.
To encrypt the disk image, click the Encryption pop-up menu, then choose an encryption option.
Click the Image Format pop-up menu, then choose an option:
Read-only: The disk image can’t be written to, and is quicker to create and open.
Compressed: Compresses data, so the disk image is smaller than the original data. The disk image is read-only.
Read/write: Allows you to add files to the disk image after it’s created.
DVD/CD master: Can be used with third-party apps. It includes a copy of all sectors of the disk image, whether they’re used or not. When you use a master disk image to create other DVDs or CDs, all data is copied exactly.
Hybrid image (HFS+/ISO/UDF): This disk image is a combination of disk image formats and can be used with different file system standards, such as HFS, ISO, and UDF.
Click Save, then click Done.
Disk Utility creates the disk image file where you saved it in the Finder and mounts its disk icon on your desktop and in the Finder sidebar.
For technical information about creating a restore disk image, see the Apple Software Restore (ASR) manual (man) page.
Create a secure disk image
If you have confidential documents that you don’t want others to see without your permission, you can put them in an encrypted disk image.
Note: If you want to protect the contents of the system disk, turn on FileVault using the FileVault pane of Security & Privacy Preferences.
In the Disk Utility app on your Mac, choose File > New Image > Blank Image.
Enter a filename for the disk image, add tags if necessary, then choose where to save it.
This is the name that appears in the Finder, where you save the disk image file before opening it.
In the Name field, enter the name for the disk image.
This is the name that appears on your desktop and in the Finder sidebar, after you open the disk image.
In the Size field, enter a size for the disk image.
Click the Format pop-up menu, then choose a format:
If you’re using the encrypted disk image with a Mac computer using macOS 10.13 or later, choose APFS or APFS (Case-sensitive).
If you’re using the encrypted disk image with a Mac computer using macOS 10.12 or earlier, choose Mac OS Extended (Journaled) or Mac OS Extended (Case-sensitive, Journaled).
Click the Encryption pop-up menu, then choose an encryption option.
Enter and re-enter a password to unlock the disk image, then click Choose.
WARNING: If you forget this password, you won’t be able to open the disk image and view any of the files.
Use the default settings for the rest of the options:
Click the Partitions pop-up menu, then choose Single partition - GUID Partition Map.
Click the Image Format pop-up menu, then choose “read/write” disk image.
Click Save, then click Done.
Disk Utility creates the disk image file where you saved it in the Finder and mounts its disk icon on your desktop and in the Finder sidebar.
In the Finder , copy the documents you want to protect to the disk image.
If you want to erase the original documents so they can’t be recovered, drag them to the Trash, then choose Finder > Empty Trash.
When you’re finished using the documents on the secure disk image, be sure to eject the disk image. As long as it’s available on your desktop, anyone with access to your computer can use the documents on it.
To access the data in a disk image, double-click it. It appears on your desktop, and you can add, remove, and edit files on it just as you would with a disk.
See alsoAdd a checksum to a disk image using Disk Utility on MacVerify that a disk image’s data isn’t corrupted using Disk Utility on MacRestore a disk image to a disk using Disk Utility on MacConvert a disk image to another format using Disk Utility on Mac
Apple have always been impressing the crowd with their software and hardware enhancements over the year. To add a feather to that cap, Apple has redefined the operating system experience with the Mac OS X Mountain Lion 10.8.
Overview
The Mac OS X Mountain Lion released after being in the Beta version run for a very long time. The Mac OS X Mountain Lion is much more efficient and technologically sound enough to secure your data much stronger than the previous Mac OS Versions, claims Apple. The user interface is said to be improved and much sleeker in the aesthetic appeal.
License Official Installer
File Size 4.43GB
Language English
Developer Apple Inc.
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Apple has made sure to take in the views and considerations of the Beta version users and the tweaks made through this update are a strong testimony to it. The environment is fabricated with a much easier user experience to tackle all the problems efficiently and smoothly. The Wi-fi performance is also tweaked up to give you seamless connectivity and improved upload and download speeds.
The Mac OS X Mountain Lion 10.8 also houses a better and stable operating system with its release so to give the user the hassle-free experience. There has been a lot of speculations that a huge amount of data can be sent over the internet before the release. Apple made that true with the release of the Mac OS X Mountain Lion 10.8.
Some of the very much looked up to feature in the Mac OS X Mountain Lion 10.8 is
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1. Stable Operating System
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The stability in the Operating system is a much looked upon the issue in the software framework of Apple. With tons of reviews and inputs from the user, Apple has finally cracked the code and has increased the stability of the operating system with the release of the Mac OS X Mountain Lion 10.8. The framework has been worked upon and the tiny attention to details has been given to enable the smoothest user experience for Apple.
2. Security Enhancements
There are also improved security enhancements with this update. Apple has been a company that always believes in keeping the security details and the privacy of its customers and has maintained the same till date. The more improved security enhancements in the Mac OS X Mountain Lion 10.8 update have been top-notch with more security beefed up for browsing, uploading data and as well as downloading data from the internet. The safety protocol involved with apple mail has also greatly improved.
3. Increased Performance of MacBook
Well the Mac OS X Mountain Lion 10.8 is the dawn update for MacBook users especially. Apple focused on decoding and solving the bugs that erupted among the various MacBook users with the Beta version release of the Mac OS X Mountain lion. The Mountain Lion OS also improved the user interface of the MacBook interface.
4. Sending Huge data over the internet
The Mac OS X Mountain Lion 10.8 had many expectations before its release out of which sending huge data over the internet was speculated. It was initially considered as a fan-made rumor but Apple made it a reality with the release of the Mac OS X Mountain Lion. Now wit the release of the Mac OS X Mountain lion, you can send huge amounts of data over the internet which was previously not allowed by the Apple Mac Servers as the Software couldn’t support such a feature with its previous OS versions.
5. Fixes for Screen Saver Issues and Smart Card
The issues that popped up with the previous Mac OS versions speculated a lot of commotion among the Apple users such that apple made it a top priority to make sure that they solved the issue with the next update. The screen saver framework was improved along with the issues that popped up with the Smart card as well. The improvements in these aspects made the Mac OS X Mountain Lion top of the game and well appreciated and welcomed by the users.
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There are also many more features to add up to the mentioned features, the other upgrades are minute details and those improvements haven’t created a bigger impact on the user experience.
System Requirements of the Mac OS X Mountain Lion
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Minimum RAM requirement of 2GB.
Free Hard Disk Drive of 8GB.
Intel Multi-Core processor.
Download Mac OS X Mountain Lion 10.8 ISO and DMG Image
The Mac OS X Mountain DMG file can be downloaded from the below link. The Mac OS X Mountain Lion is considered to be a very stable operating system and won’t be much of a trouble to the users. Make sure that the minimum system requirements are met. The File size is around 4.2 GB. You can also download the DMG file of various other operating systems from the ISO River website.