Bahamian Rhapsody Mac OS

Rhapsody was Apple’s code name for what eventually became Mac OS X. Yellow Box became the OS X interface, and Blue Box became the Classic Environment, which allowed OS X users to continue to use Classic Mac OS software on their PowerPC Macs through Mac OS X 10.4 Tiger. Red Box, the planned PC Environment for Rhapsody on Intel hardware, never saw the light of day, although today’s Intel-based Macs have virtualization solutions from other vendors which allow them to run Windows or Linux alongside Mac OS X.

Megan Fox (5,534 words) exact match in snippet view article find links to article Megan Denise Fox (born May 16, 1986) is an American actress and model. She made her acting debut in the family film Holiday in the Sun (2001). Rhapsody built on NeXTSTEP, porting the core system to the PowerPC architecture and adding a redesigned user interface based on the Platinum user interface from Mac OS 8. An emulation layer called Blue Box allowed Mac OS applications to run within an actual instance of the Mac OS and an integrated Java platform. Using the multi-layered guitars of its predecessor as a foundation, A Night at the Opera encompasses metal (“Death on Two Legs,” “Sweet Lady”), pop (the lovely, shimmering “You’re My Best Friend”), campy British music hall (“Lazing on a Sunday Afternoon,” “Seaside Rendezvous”), and mystical prog rock (“’39,” “The.

I’m the first to admit that, although I believe Rhapsody will be the next insanely great operating system and propel Apple beyond 10% market share, I find all these colored boxes confusing. Why not just call them the Rhapsody, Macintosh, and Windows shells?

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Remarkably, Apple is running ahead of schedule developing Rhapsody and has already shipped its first developer release and blue box release. (Microsoft, take a hint.) Rhapsody will run on at least two hardware platforms: PowerPC and Intel. It’s based on the Mach Unix kernel, either version 2.5 or 3.0. It will allow different levels of OS compatibility, allowing use of the Mac OS and Windows on a Rhapsody core.

Remember that the Mach kernel is underneath everything. Symmetric multiprocessing is integral to the kernel, which means that Rhapsody applications will be able to take advantage of multiple processors. (This is in contrast to asymmetric multiprocessing as implemented by Daystar, Apple, and other Mac OS computers. The Mac OS itself must run on a single processor, although it can allocate specific tasks to additional CPUs.)

Keep in mind that each “box” is not an operating system, but an application environment. Examples you might be familiar with are the way Windows runs on top of DOS. [Remember, this was written in 1997 when Windows 95 was popular.] The Mac OS has always been built around a kernel, one tightly integrated with the operating system.

Yellow Box

The Yellow Box is the application environment for “Rhapsody” software, whether on the PowerPC or Intel platform. It is preemptive (applications must share the CPU; no program can take over), multithreading (several applications can run at the same time, not just coexist in memory), and memory protected (an application may crash, but that will not crash the operating system).

Yellow Box is how Rhapsody appears to the user, whether native Rhapsody or as an environment running on the Mac OS or Windows. Yellow Box may have one of several different looks, including NeXT-like and Mac-like. Blue Box and Red Box run as environments within Rhapsody for PowerPC or Rhapsody for Intel, as noted below.

Apple produced the figure (right) showing Rhapsody architecture on PowerPC hardware. Note that Apple may use the Mach 3.0 kernel, not the older 2.5 kernel shown in this figure. Also, this is preliminary, so there may be architectural changes by the time Rhapsody finally ships.

Blue Box

Blue Box is how you run existing Macintosh applications under Rhapsody for PowerPC. It fully duplicates the Mac OS right down to its limitations, such as memory management and concurrent multitasking. (If it went beyond that and offered more robust services like Rhapsody does, many Mac applications might not work properly.) The first Blue Box release runs in full-screen mode, hiding Yellow Box; this may change in the future.

Byte notes that it is a mistake to call the Blue Box emulation, since all code executes natively on the PowerPC and all system calls are routed to kernel services, just like on the Mac OS. Apple intends that Blue Box fully match the latest version of the Mac OS. Later versions of Blue Box may incorporate newer version of the Mac OS.

Mac OS Rumors reports, “Speed of the Blue Box is just about on-par with that of the native Mac OS” (1997.09.17). It may also be possible to run multiple Blue Boxes, so if one crashes, Rhapsody and the other sessions will continue working. (Great for software development!)

At least initially, it seems that Mac OS applications will run within a Mac OS window. Right now, the first developer release works like the Apple DOS card – you work in one environment or the other, switching between them with a hot key. When the “unified” release comes out, the Mac OS may be seamlessly integrated with Rhapsody, allowing traditional Mac applications the current look and feel without forcing them into a Mac OS window. It is possible for the Blue and Yellow boxes to communicate via Apple events, although drag and drop between environments is not currently supported.

Blue Box for Rhapsody on Intel seems unlikely, since the PowerPC is such a powerful CPU that emulating it on a Pentium would be extremely slow. [Publisher’s note: Little did we anticipate Apple moving to Intel and including Rosetta to support PowerPC OS X software to run on Intel Macs.]

Red Box

Red Box, although not confirmed by Apple, would be how you run Windows applications under Rhapsody for Intel – and possibly under Rhapsody for PowerPC as well. Like the Blue Box on a Power Macintosh, the Red Box will give Rhapsody users a way to run Windows applications.

As with Blue Box on PowerPC, Red Box on Intel should run flat out, since there will be no need to emulate the Pentium processor. Products such as SoftWindows and Virtual PC show that it is possible to get reasonable performance emulating a Pentium on a PowerPC chip, so it is conceivable, even likely, that Red Box will be available under Rhapsody for PowerPC. (If Apple doesn’t do it, bet on Insignia or Connectix.)

A well executed Red Box could offer full PC compatibility, not just Windows. Virtual PC already provides this capability under the Mac OS, providing access to OS/2, Windows NT, and other Intel-based operating systems.

Other Boxes?

There were rumors Apple would create a box for OS/2, using code licensed from IBM. Since IBM appears to be moving away from OS/2, this seems unlikely.* If Apple develops Rhapsody for other hardware platforms, it seems likely they will provide boxes to support their standard software.

Summary

Confused? You probably should be, although you don’t have to be. There’s a lot going on under the name Rhapsody. As I understand it, there are four distinct products:

  1. Rhapsody for PowerPC, a PPC-native OS with Blue Box support for Mac applications.
  2. Rhapsody for Intel, an Intel-native OS with Red Box support for Windows applications.
  3. Yellow Box for the Mac OS, an environment for running Rhapsody applications on a Power Mac.
  4. Yellow Box for Windows, an environment for running Rhapsody applications on a Windows-based computer.

The key to understanding Rhapsody is seeing it as a universal operating system. You will be able to run Rhapsody applications under Rhapsody, with Yellow Box for Windows, or with Yellow Box for the Mac OS. You will also be able to run Windows applications under Rhapsody, both the Intel and PowerPC versions. And Power Macs will be able to run Mac software under Rhapsody.

Once Rhapsody becomes established, developers will be able to create a single version of their software that runs in the Yellow Box – regardless of CPU. Until then, Rhapsody provides all the hooks to let current OS users run Rhapsody programs and Rhapsody users to run their old software.

In brief, here’s the color code:

  • Blue Box – lets you run Mac OS software
  • Yellow Box – lets you run software written for the Rhapsody OS
  • Red Box – lets you run DOS/Windows software

To see how Apple might position Rhapsody, read Send For the Clones.

Update

It looks as though the Yellow Box may also be ported to the Sun and Digital Equipment Corporation’s Alpha CPUs and possibly Intel’s forthcoming Merced [later named Itanium] CPU. MacOS Rumors reports that a Sun port was underway at NeXT before the Apple buyout. As for the Alpha port, the question is whether it will run as a Windows NT application, as a full-fledged operating system (undoubtedly with Red Box), or both.

* When I first wrote this, there were rampant rumors that OS/2 would soon be history. I have since heard that OS/2 is not being phased out.

Updated December 7, 1997 and March 20, 1998. Broken links to Rhapsody resources removed 2005.06.07.

Keywords: #rhapsody

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rhapsody

1.Music a composition free in structure and highly emotional in character
2. (in ancient Greece) an epic poem or part of an epic recited by a rhapsodist
3. a literary work composed in an intense or exalted style
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Rhapsody

a vocal or instrumental work that structurally resembles the performance of epics by ancient Greek rhapsodists or by reciters in other countries. Rhapsodies are free in form, consisting of a succession of diverse and sometimes sharply contrasting episodes. Epic in spirit, they utilize themes from folk songs.

Liszt’s 15 Hungarian Rhapsodies for piano (1846–85) and his Rhapsodie Espagnole (1863) have been especially popular. These works utilize genuine Hungarian gypsy and Spanish folk motifs. Brahms wrote several rhapsodies for piano (Op. 79 and Op. 119). Examples of rhapsodies written for orchestra are Dvořák’s Three Slavonic Rhapsodies and Ravel’s Rapsodie Espagnole. Other rhapsodies have been written for solo instruments with orchestra, such as Lalo’s Rapsodie Norvégienne for violin and orchestra. Among rhapsodies written for piano and orchestra are Liapunov’s Ukrainian Rhapsody, Gershwin’s Rhapsody in Blue, and Rachmaninoff’s Rhapsody on a Theme of Paganini. Rhapsodies by Soviet composers include Karaev’s Albanian Rhapsody, written for orchestra.

REFERENCES

Meien, E. Rapsodiia. Moscow, 1960.
Salmen, W. Geschichte der Rhapsodie Zürich-Freiburg im Breisgau, 1966.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

Rhapsody

(operating system)
Apple Computer, Inc.'s next-generation operating system for PowerPC processor-based systems capable of running Mac OS. Rhapsody includes four components: the Core OS, the Blue Box (the implementation of the Mac OS within Rhapsody), the Yellow Box, and the Advanced Mac Look and Feel.
'Rhapsody for Intel' runs on Intel processors It includes the Core OS, the Yellow Box, and the Advanced Mac Look and Feel, but lacks the Blue Box and therefore is unable to run Mac OS software.
'Rhapsody Developer Release' is a developer-only release of Rhapsody, scheduled for release in late 1997. It will go to all members of the Macintosh Developer Program and the Apple Media Program worldwide who have signed nondisclosure agreements.
'Rhapsody Premier Release' will be the second release of Rhapsody, scheduled for early 1998. It is meant for early adopters and will include a partially finished human interface and a partial implementation of the Blue Box.
'Rhapsody Unified Release' will be the third release, scheduled for mid-1998. It will be the first public release, and it will include the first full implementation of the Rhapsody human interface and the Blue Box.
FAQ.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
Bahamian rhapsody mac os download

Rhapsody

(1) An earlier online music service that was the first to offer unlimited songs for a flat fee. It all started in 1999 with the development of a quality (for that time) music streaming engine first deployed by TuneTo.com Internet radio. TuneTo was acquired by Listen.com and renamed Rhapsody in late 2001. In 2003, RealNetworks acquired Listen.com, and Rhapsody was spun off as an independent company in 2010. Napster merged with Rhapsody in 2011 (see Napster).
(2) The code name of the next-generation operating system from Apple that evolved into Mac OS X. Rhapsody was a Unix-based operating system that supported the Mac OS (Blue Box) and OpenStep (Yellow Box) programming interface (API) from NeXT. See Mac OS X, Yellow Box and NeXT.
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