Mac Operating system X Dissertation

Apple's Macintosh OSX Panther

CS555 Section 3

Tomomi Kotera

Table of Contents

Desk of Articles ………………………………………………………. Web page 1

Launch …………………………………………………………….. Site 2

Summary …………………………………………………………………Page 2

CPU Booking ………. …………………………………………………Page 3

Symmetrical Multiprocessing (SMP) ….. …………………………………Page 5

Recollection Protection ……….. ………………………………. ……….... …Page 6

Virtual Memory ………….. ………………………………. ….. …………Page 7

Technical and Business Success of Mac OS X …. ……. ……………Page 11

Summary …. ……………………………………………. …. ……………Page 13

Bibliography…………………………………………………………….. Page 14

Introduction

The Mac OPERATING SYSTEM X Panther operation program has met with both technical and commercial success. Since the debut of Mac OPERATING SYSTEM X in 2001, the features possess continued to further improve. The initial program Mac OPERATING SYSTEM X 10. 1 was originally transported in Sept 2001 and was termed as Puma; Jaguar, version 10. 2, was shipped in August 2002, and Panther, the present version, was shipped in October the year 2003. The focus of the paper is usually on the essential technologies that have made Apple pc OS By Panther a technical success such as CPU scheduling, symmetric multiprocessing, memory protection, and virtual memory space; we begin with an overview in the MAC OS X main system.

Overview of Macintosh OS Times Panther

Apple pc OS, via Apple Laptop, can be considered two families of systems: the older and now unsupported " classic" Mac OS (the system that delivered with the initial Mac in 1984 and its descendants, concluding with Mac OS 9), and the newer Mac OS X. Mac pc OS Times Panther is a UNIX-based Os with the intuitive user interface named Aqua. The current core UNIX-based Operating System provides benefits such as protected recollection and preemptive multitasking to Macintosh computing. Mac OPERATING-SYSTEM X Panther also has a sparkling user interface capable of visual effects such as translucence and drop dark areas. The central characteristic from the Mac OPERATING SYSTEM X architecture is the layering of program software, with one layer having dependencies on, and interfaces with, the part beneath it (see Figure 1-1). Mac OS Back button has 4 distinct layers of system software (in order of dependency): Program Environments involves the frameworks, libraries, and services essential for the runtime execution of programs developed with these API. Apple pc OS Back button currently gives five program (or execution) environments: Carbon dioxide, Cocoa, Java, Classic, and BSD Orders. Application Providers incorporates the machine services available to all software environments which may have some effect on the gui. It includes Quartz, QuickDraw, and OpenGL along with essential system managers. Primary Services features those system services which have no effect on the graphical user interface. It includes Key Foundation, Available Transport, and certain main portions of Carbon. Nucleus Environment offers the foundation part of Mac pc OS Times. Its principal components happen to be Mach 3. 0 and FreeBSD, it includes social networking protocol stacks and services, file systems, and gadget drivers. The kernel environment offers features for developing device individuals (the I/O Kit) and loadable nucleus extensions, including Network Kernel Extensions (NKEs). This integrated kernel environment is called Darwin and it is a Source technology available coming from www.apple.com/darwin. The following is the components that Mach a few. 0 and FreeBSD provide: Mach

• support to get SMP

• untyped IPC and RPC

• memory management

• support pertaining to real-time providers

• external pager

• modular structures

• superior performance

BSD

• record systems

• networking

• basic security policies such as end user IDs and permissions • the system structure a mechanism for exporting APIs towards the application layers • the BSD process model, which include process IDs and signs • FreeBSD kernel APIs

• Pthreads (POSIX...

Info: Apple (2000) " Storage Management in Mac OPERATING-SYSTEM X” LINK:

http://developer.apple.com/documentation/Performance/Conceptual/ManagingMemory/Concepts/AboutMemory.html

Apple (2003) " System Overview” URL:

http://developer.apple.com/documentation/MacOSX/Conceptual/SystemOverview/Index/index.html

Apple (2003) " Nucleus Programming” LINK:

http://developer.apple.com/documentation/Darwin/Conceptual/KernelProgramming/KernelProgramming.pdf

Wikipedia (2003) " Mac OPERATING-SYSTEM memory management” URL:

http://en2.wikipedia.org/wiki/Mac_OS_memory_management

HALLMARK, RICH (2003) " Preemptive Multitasking”

http://www.macdesignonline.com/issues/marapr03/StateOfTheMac.html

Sellers, Dennis (2001) " Apple pc OS By Primer” WEB LINK:

http://maccentral.macworld.com/news/2001/03/24/primer/

Ruler, L (2001) " The Overview of the Mac OPERATING SYSTEM X” URL:

http://www.cs.nmsu.edu/~lking/index.html

Bassett, Karen and Fussenegger, Joshua (2001) " Mac OPERATING SYSTEM X: Apple's Operating System in the Future” LINK:

http://www.lrdc.pitt.edu/compserv/News/Articles/Mac%20OS%20X-Apple%E2%80%99s%20Operating%20System%20of%20the%20Future.htm

Protects, Paul (2002) " Inside SMP (Symmetric multiprocessing) WEB LINK:

http://www.thebusinessmac.com/features/smp.shtml

Drakos, Nikos (2001) " Advanced Synchronization in Mac OS X: Stretching Unix to SMP and Real-Time” WEB LINK:

http://www.usenix.org/publications/library/proceedings/bsdcon02/full_papers/gerbarg/gerbarg_html/



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