Why does apple use dmg




















Communities Get Support. Sign in Sign in Sign in corporate. Browse Search. Ask a question. User profile for user: Tim H. I'm new to the world of Macs, and I was just wondering after I download something from the Internet, do I need to keep the.

Specifically, I downloaded Senuti, so do I need to keep that. Thank you for any advice you can offer. Reply I have this question too 85 I have this question too Me too 85 Me too. Helpful answers Drop Down menu. I presume you've already double-clicked the file and followed through whatever installation process was presented to you?

If so, the application will be installed - probably in your Applications folder - so you can safely delete the. View answer in context. Loading page content. Reply Helpful 5 Thread reply - more options Link to this Post. User profile for user: Steven Ford Steven Ford.

There are some third-party equivalents to the Mac App Store. Games store Steam is the most popular. A more Mac-like example of a third-party app store is Setapp. When installing and launching apps, your Mac may display security warnings. For example, when you download an app from the Internet, your Mac will ask for confirmation before you run it the first time.

That is the default setting; it can be adjusted by clicking the lock, entering your admin password, and selecting the relevant radio button. You may also get dialogs from apps, the first time you launch them, requesting access to things like your Downloads folder, camera, microphone, and other elements.

In some cases, such as granting access to your Downloads folder, you merely need to click OK on a dialog. But in others, such as the example above, you have go to System Preferences to explicitly grant permission. When granting permission, you need to click the padlock, enter your password, then check the appropriate boxes. In the General pane of System Preferences is a setting to allow apps downloaded from the App Store, or from the App Store and identified developers.

These latter are developers who have accounts with Apple, and sign their apps with an Apple-provided certificate, to ensure their provenance.

But there are times when you may want to open apps from unidentified develops. This includes setting features like custom icons, icon positioning, and background images. Instead, the unzipping program just drops files into a folder, offering the developer little aesthetic control. Remember that disk images became popular and were adopted by Apple in the day of physical media. They would follow this by ejecting the CD and putting it back in its jewel case for future installations.

The disk image mimics that process, piggy-backing on a familiar user behavior. Images can also be read-only just like a CD , preventing the user from damaging or altering the known good copy of the application. Disk images still see a lot of use, even today. Along with their benefits, DMGs have developed a crust of tradition and expectation. Users expect new software to be delivered via DMG, so developers provide it that way.

This is especially true for applications from GitHub or smaller developers.



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