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PowerPC application (Microsoft Word for Mac 2004) running on OS X for Intel in Rosetta | |
Developer(s) | Apple Inc. |
---|---|
Operating system | Mac OS X 10.4.4–10.6.8 (Intel) macOS Big Sur 11.0–present (ARM) |
Type | PowerPCbinary translation (original version) Intel binary translation (Rosetta 2) |
Website | www.apple.com/asia/rosetta/ |
Rosetta is a dynamic binary translator developed by Apple Inc. for macOS.
Apple released the first version of Rosetta in 2006 when it changed the instruction set architecture of the Macintosh platform from the PowerPC to the Intel processor. It was initially included with Mac OS X v10.4.4 'Tiger', the version that was released with the first Intel-based Macs, and allowed many PowerPC applications to run on certain Intel-based Mac computers without modification. The name 'Rosetta' is a reference to the Rosetta Stone, the discovery that made it possible to comprehend and translate Egyptian hieroglyphs.[1] Rosetta is based on QuickTransit technology.[2] It has no graphical user interface, which led Apple to describe Rosetta as 'the most amazing software you'll never see.'[3]
Rosetta is not installed by default in Mac OS X v10.6 'Snow Leopard', but can be retained as an option via the installer or Apple Software Update for users who need to run PowerPC applications.[4] Rosetta is neither included nor supported in Mac OS X v10.7 'Lion' or later. Therefore, with Lion and later releases, the Intel Macintosh platform does not support PowerPC applications.[4]
Rosetta 2 is included as of macOS Big Sur to aid in Apple's transition to ARM processors from Intel processors.[5]
Rosetta[edit]
Mac transition to Intel processors |
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Rosetta is part of Mac OS X for Intel operating systems prior to Lion. It translates G3, G4, and AltiVec instructions; however, it does not translate G5 instructions. Therefore, applications that rely on G5-specific instruction sets must be modified by their developers to work on Rosetta-supported Intel-based Macs. According to Apple, applications with heavy user interaction but low computational needs (such as word processors) are well suited to translation via Rosetta, while applications with high computational needs (such as AutoCAD, games, or Adobe Photoshop) are not.[6]Pre-existing PowerPC versions of Apple 'Pro' media-production applications (such as Final Cut Pro, Motion, Aperture, and Logic Pro) are not supported by Rosetta and require a 'crossgrade'[7] to a universal binary version to work on Rosetta-supported Intel-based Macs.
Rosetta does not support the following:[8]
- The Classic environment, and thus any non-Carbon application built for Mac OS 9 or earlier
- Code that inserts preferences into the System Preferences pane
- Applications that require a G5 processor
- Applications that require precise exception handling
- Screen savers
- Kernel extensions and applications that depend on them
- Bundled Java applications or Java applications with JNI libraries that cannot be translated
- Java applets in Rosetta-translated applications, meaning that a native Intel web browser application, rather than a legacy PowerPC version, must be used to load Java applets
The reason for Rosetta's reduced compatibility compared to Apple's earlier 68k emulator for PPCs lies within its implementation. Rosetta is a user-level program and can only intercept and emulate user-level code. By contrast, the 68k emulator accesses the very lowest levels of the OS by being at the same level as, and tightly connected to, the Mac OS nanokernel on PPC Macs, which means that the nanokernel is able to intercept PowerPC interrupts, translate them to 68k interrupts (then doing a mixed mode switch, if necessary), and then execute 68k code to handle the interrupts. This allows lines of 68k and PPC code to be interspersed within the same fat binary.
Rosetta 2[edit]
Mac transition to ARM |
---|
Rosetta 2 is included as of macOS Big Sur to aid in Apple's transition to ARM processors from Intel processors.[5][9] In addition to the just-in-time (JIT) translation support available in Rosetta, Rosetta 2 includes support for translating an application at installation time, effectively creating a Universal 2 application.
See also[edit]
- Classic Environment – software that allows Mac OS X based operating systems to run Mac OS 9 applications
- Mac 68k emulator – lower level program used for a similar purpose during 680x0 to PowerPC transition
- Universal binary – combined PPC/Intel applications that run natively on both processors
- Fat binary § Apple's fat binary – combined PPC/68k application that ran on older Macintoshes
References[edit]
- ^Core Duo iMacs debut speedy new chipsArchived March 3, 2012, at the Wayback Machine
- ^'The brains behind Apple's Rosetta: Transitive'. CNET News.com. June 8, 2005. Archived from the original on July 14, 2014. Retrieved July 4, 2007.
- ^'Rosetta'. Apple. Archived from the original on November 16, 2010. Retrieved September 5, 2011.
- ^ abAppleInsider Staff (February 26, 2011). 'Mac OS X Lion drops Front Row, Java runtime, Rosetta'. AppleInsider. AppleInsider, Inc. Archived from the original on April 29, 2014. Retrieved February 27, 2011.
- ^ abWarren, Tom (June 22, 2020). 'Apple is switching Macs to its own processors starting later this year'. The Verge. Retrieved June 22, 2020.
- ^'Rosetta'(PDF). Universal Binary Programming Guidelines, Second Edition. Apple. Archived from the original(PDF) on August 3, 2012. Retrieved September 5, 2011.
- ^'Universal Applications'. Apple. Archived from the original on March 3, 2016. Retrieved August 5, 2019.
- ^'What Can Be Translated?'(PDF). Universal Binary Programming Guidelines, Second Edition. Apple. Archived from the original(PDF) on August 3, 2012. Retrieved September 5, 2011.
- ^Mayo, Benjamin (June 22, 2020). 'Apple announces Mac architecture transition from Intel to its own ARM chips, offers emulation path'. 9to5Mac. Retrieved June 23, 2020.
External links[edit]
- Apple Rosetta Web site at the Wayback Machine (archived January 7, 2011)
- Transitive Corporation web site at the Wayback Machine (archived September 14, 2008)
Retrieved from 'https://en.wikipedia.org/w/index.php?title=Rosetta_(software)&oldid=964480846'
Any person in the world who knows anything about operating systems has an idea about Apple’s great macOS. And the greatness is such that people can’t get over it. In fact, we are here to download Mac OS X Lion 10.7 ISO and DMG files. Wow.
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Surprising, right? Well, not really. Even though it’s been almost nine years since it came out, and the technology since then has flipped very much, the love for this OS remains as Mac OS enthusiasts jut can’t get enough of it.
But don’t worry. We are no different. We at ISO File Download dig ISO and DMG file resources so we can be able to provide them to our readers.
Malwarebytes for mac os x 10.7 500. LifeLock identity theft protection is not available in all countries.
Certainly, a small step for making your lives easier. So, shall we get going?
Cool. In the sections below you will find everything from Mac OS X Lion 10.7 Features to System Requirements. Technical details to installation steps. And screenshots to a demo video for those who want to get a sneak peak inside the OS’ interface.
Mac OS X Lion 10.7 Features
One of the first most important things that concern users about a software or/and operating system that they are planning to use is its features.
And why not? After all, the download and installation process should be worth it, right?
Well, don’t worry. We will help you make sure it is. Here are the top macOS X Lion 10.7 features to get you started.
- Better touch gestures.
- Mission Control organizes your apps. < Screenshot.
- Launchpad will store your apps. < Lion‘s Launchpad will organize your apps.
- Auto Save will keep your documents backed up.
- Air Drop lets you share files. < Tested.
Exciting, right? Well, that’s not even it. We always save the most distinctive mac OS features for mentioning later. So, keep reading and you’ll totally be in love with them.
Mac OS X Lion 10.7 ISO/DMG System Requirements
Another most important thing that matters greatly while downloading and installing an operating system is its system requirements.
Obviously. What will be the point in downloading Mac OS X Lion 10.7 ISO if your system later refuses to support it?
So, let’s have a word about it. Here is the set of system requirements for Mac OS X Lion 10.7. Read through and take a check whether your system complies with the requirements.
- Intel-based Mac with a Core 2 Duo, i3, i5, i7 or Xeon processor
- At least 2 GB of RAM.”
- 6 GB of Free Disk Space
- Your Mac should be running on Mac OS X 10.6. 6 (or higher, 10.6. 8 is recommended) “Snow Leopard” as well.
So, does your PC satisfy these requirements? Well, I hope it does, because you are very close to the download files.
Mac OS X Lion 10.7 DMG and ISO File Technical Details
Just so you don’t have to face any confusions while downloading and selecting the files after downloading, we are mentioning the technical details for the file. Here you will learn about the names of the files that we are offering here. So, read on and find out.
- Technical name of macOS Leopard ISO file: macOS_10.7_lion.iso
- Technical name of macOS Leopard DMG file: macOS_10.7_lion.dmg
So, the names are sorted? Nice. Let’s move to the next section now. There you will get what you have been looking for.
Mac OS X Lion 10.7 ISO and DMG Files Free Download
Even though you’ve waited enough here, we know that wasn’t your genuine intent. Well, don’t worry (saying for the third time, as we mean it). On this web page you will find the Mac OS X Lion ISO files.
And the best thing? The wait for you is over as this section itself features the macOS X Lion 10.7 DMG and ISO Files. So, waste no more time and click to download.
- Mac OS X 10.7 Lion ISO: [Click to Download]
- Also Check: Mac OS X Leopard 10.5 ISO
- Mac OS X 10.5 Lion DMG: [Click to Download]
Found what you wanted? We are glad to be of help. And we hope you really enjoy using the OS (or can fulfill whatever other purpose you had behind downloading Mac OS X Lion 10.7 ISO).
Anyway, as promised in the first section, we need to move further for providing you with more useful information about the macOS X Lion.
Mac OS X Lion ISO and DMG Installation Process
So, you are here. Downloaded the files successfully? Congratulations. And even if you haven’t, it’s never wrong to get an idea about how those files need to be handled and installed.
For all our readers, here is the step-by-step installation procedure.
For ISO Files:
- Download the 7-Zip Extractor
- Downloading the Windows ISO files.
- Unzip and extract these ISO files
- Burn the extracted files onto a bootable device (generally a DVD) which you can use for installation
For DMG Files:
- Double click the DMG to make its content available (name will show up in the Finder sidebar), usually a window opens showing the content as well.
- Drag the application from the DMG window into /Applications to install (may need an administrator password)
- Wait for the copy process to finish.
- Initiate the Installation process.
Sounds simple, right? Well, honestly, that’s all that had to be done. Now let’s move further.
macOS X Lion 10.7 Demo Video
Now, we understand how not all of you are here to download and install macOS X 10.7 o your PC. Some of you may just be looking. Seeking information about the OS. Wanting to learn more. Trying to get an idea about how the interface looks.
Well, in all the cases (even if you want to download and install), we have your back. As mentioned already, this website has everything that you need. So, here we are embedding a Mac OS X Lion 10.7 demo video.
Watching this video will make you aware of how the OS looks and work.
Satisfying, right? I know. The beauty of this OS’ graphics is commendable. But we can’t be stuck. The following section has the special set of features that we promised you at the start of this article. So, don’t miss out on those.
Mac OS X Lion 10.7 Key Features
Even though we have already talked about Mac OS X features, it’s important to talk about some that were left out in the first turn (on purpose).
These are the key features of Mac OS X Lion that made it stand out.
- Mission Control – Expose, full screen apps, Dashboard, Spaces all in one
- Auto-save
- Auto resume app state when launched
- Full screen apps
- Mac App Store
Final words
Mac OS X Lion 10.7 is one of the most loved operating systems from Apple. No wonder why you too came here looking for Mac OS X Lion 10.7 ISO Files.
Well, we hope we could help you end your search. Thanks for reading. Stay in touch for more such content.