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Topic: Macintosh File System


Related Topics
JFS
BSD
IBM

In the News (Wed 11 Nov 09)

  
  File system - Wikipedia, the free encyclopedia
File systems may use a storage device such as a hard disk or CD-ROM and involve maintaining the physical location of the files, or they may be virtual and exist only as an access method for virtual data or for data over a network (e.g.
The file system software is responsible for organizing these sectors into files and directories, and keeping track of which sectors belong to which file and which are not being used.
A disk file system is a file system designed for the storage of files on a data storage device, most commonly a disk drive, which might be directly or indirectly connected to the computer.
en.wikipedia.org /wiki/File_system   (2606 words)

  
 Macintosh File System - Wikipedia, the free encyclopedia
MFS was introduced with the Macintosh 128K in January 1984.
MFS is called a flat file system because it does not support a hierarchy of folders.
Apple introduced Hierarchical File System as a replacement for MFS in September 1985.
en.wikipedia.org /wiki/Macintosh_File_System   (445 words)

  
 Macintosh File System - TheBestLinks.com - MFS, Apple Computer, Floppy disk, File system, ...   (Site not responding. Last check: 2007-10-13)
MFS was introduced with the Macintosh 128K on January 24, 1984.
MFS allows file names to be up to 255 characters in length, although Finder does not allow users to create names longer than 63 characters.
MFS is called a flat file system because it does not support folders.
www.thebestlinks.com /MFS.html   (201 words)

  
 File Server Accessibility over AppleTalk   (Site not responding. Last check: 2007-10-13)
Even though the Windows 2000 file system differs from that of the Macintosh file system, both Windows 2000 clients and Macintosh clients can use the files that are stored on the Windows 2000–based server.
The files on a Windows 2000–based server that is running Services for Macintosh are stored in shared directories or in Macintosh volumes, which are Macintosh file storage units.
When Macintosh users browse through the list of files that are available on the server, they see icons that represent each file and folder.
www.microsoft.com /resources/documentation/Windows/2000/server/reskit/en-us/intwork/incf_mac_ilmj.asp?frame=true   (322 words)

  
 Semantic File Systems
Files are a popular form of data storage as they do not impose any formatting and structuring constraints, and the file/directory abstraction is easy to understand.
In the Macintosh File System, a file is composed of both a resource fork and a data fork.
In situations where the file is a composite (e.g tar files), an encoding (e.g compressed files) or both (e.g tar.Z files), the file unnester is invoked to extract the individual files whose content is then individually summarized.
www.objs.com /survey/OFSExt.htm   (7706 words)

  
 CodeBuilder User's Guide - 6.0 File Systems
Each file and directory is tagged with a user and group ID. Three levels of permissions are specified, one for the owner of a file, a second for the members of the designated group, and a third for "everyone else".
The catalog file maintains the hierarchy of directories and files on a volume, and the extents overflow file tracks assignment of allocation blocks to files which cannot be stored in the catalog file.
The Macintosh File Manager saves three time stamps for each file: (1) the time the file was created, (2) the time the file was last modified, and (3) the time the file was last backed up (rarely used in the Macintosh world).
www.tenon.com /products/codebuilder/User_Guide/6_File_Systems.html   (3687 words)

  
 Macintosh File Forks
The data fork contains what we generally call a file on the PC, that is the text created by a word processor, the pixels building a picture, etc. When transferring data files between Macintosh and PC, the data fork is generally the only part of interest (the major exception is font files, see below).
When a Macintosh data file is not recognized any more, for an example after a transfer through another file system, it remains usable, most of the time.
Two main methods are commonly used to keep together both forks of Macintosh files on communication lines and on servers which don't know anything about forks: the MacBinary standard and the BinHex standard.
www.macdisk.com /macforken.php3   (637 words)

  
 Macintosh CD-ROMs
This is the name of the Macintosh file system, introduced after the first "flat" one, used on the 400 KB floppy disks.
Depending on the version of the operating system, the Macintosh accesses the Joliet long filenames or not (there is an extension written by Thomas Tempelman to alleviate those problems).
Again, depending on the settings of the computer, the very nature of the data files will be recognized or not (the Macintosh file system doesn't use extensions to characterize the files, but signatures).
www.macdisk.com /cdromen.php3   (986 words)

  
 Mac OS History   (Site not responding. Last check: 2007-10-13)
It was also impossible to nest folders within folders — in fact, folders were illusionary, all files were stored on the root level of a disk, with a note in the file table for which files were in which folder so the Finder could make them appear to be in the appropriate folder.
System 7.1 implemented the Fonts folder so that fonts could be easily added and removed — previously they were buried within the System itself — and the Enabler scheme — which mean new models could be released with an Enabler file instead of a very minor update like with Systems 6.0.1—6.0.8.
System 7.5.2 was available in two, incompatible versions: one for the first PCI Power Macs, one for the portables released at about the same time.
www.macos.utah.edu /Documentation/MacOSXClasses/macosxone/macintosh.html   (1522 words)

  
 Macintosh from FOLDOC
The Macintosh user interface was notable for popularising the graphical user interface, with its easy to learn and easy to use desktop metaphor.
The first Macintosh, introduced in January 1984, had a Motorola 68000 CPU, 128K of RAM, a small monochrome screen, and one built-in floppy disk drive with an external slot for one more, two serial ports and a four-voice sound generator.
The core of the OS X operating system is released as free source code under the project name Darwin.
foldoc.org /foldoc/foldoc.cgi?Macintosh   (520 words)

  
 PHP: file - Manual
Beware of using file() to call a URL from a remote server on a live Web site, as there is no way to set a maximum connection time.
Here is an alternative function which like file() can be used to retrieve a remote feed, but which imposes a maximum connection time, after which the page will be displayed without the feed.
This going in an include file that all the PHP files reference, so the only thing that needs to be do for set up, is to set the location of the config file.
www.php.net /manual/en/function.file.php   (1392 words)

  
 File System Layout   (Site not responding. Last check: 2007-10-13)
The Macintosh file system is hierarchical, meaning that you can use folders to group other files and folders, and this grouping can be carried to an arbitrary level.
In this sense, all files available on the Macintosh are contained ultimately by the desktop (visualize it as the blue background in the picture above), which in turn holds the disk volumes.
The designation of any file or folder in the file system can be formed by providing a path to it, starting from the root level.
www.ed.com /unixguide/fs.html   (427 words)

  
 The Graphical Age at Apple
The default application that ran as the system came up was called the "Finder" It was an interface for browsing the file system and launching applications.
The Macintosh trash can is often criticized for being poorly designed as it is not only meant to destroy files, but also for ejecting disks so that they can be safely put away.
A version of the Lisa 2 with a disk was later sold as the Macintosh XL and came with MacWorks, an emulator to run the Macintosh operating system.
www.kernelthread.com /mac/oshistory/3.html   (1195 words)

  
 3.2. Apple Macintosh
This file system was used on the first Macs, using 400K floppies.
The format was quickly replaced by the Hierarchical File System, which did support folders.
This file system was used on Macs for many years and for all media (floppies, hard disks, CD-ROMs).
disktype.sourceforge.net /doc/ch03s02.html   (585 words)

  
 Mac Web Server Performance Tests
I believe this structure favored the Mac file system, because its performance declines as the number of files in a folder increases.
For the Mac file system part of the test, we replace '/'s with ':'s, and then read the entire contents of the file.
The third column is the ratio of the time used by the file system divided by the time used by the object database.
www.scripting.com /lab/filesystem.html   (707 words)

  
 File Systems
Note that in general, you only care about the file systems in use by your organization and used on removeable media that you are likely to encounter.
Otherwise, you main interest in file systems is the capabilities of the native file system of each operating system.
If there is an existing file system that you feel is vital to your business, please write a well thought-out e-mail explaining why a particular file system being available for Mac OS X would be key in the possible decision to purchase Mac OS X, and send it to leadership@apple.com
www.osdata.com /holistic/connect/filesys.htm   (1391 words)

  
 HFS for Linux   (Site not responding. Last check: 2007-10-13)
HFS (Hierarchical File System) has been the native filesystem on the Apple Macintosh since the Mac Plus was released.
The handling of Macintosh partition tables is based upon code contributed by Holger Schemel.
Adobe and Acrobat are trademarks of Adobe Systems, Incorporated and may be registered in certain jurisdictions.
www-sccm.stanford.edu /Students/hargrove/HFS   (1714 words)

  
 file system Definition. Define file system. What is file system?
A system for organizing {directories} and {files}, generally in terms of how it is implemented in the {disk operating system}.
E.g., "The {Macintosh file system} is just dandy as long as you don't have to interface it with any other file systems".
As an extension of this sense, "file system" is sometimes used to refer to the representatation of the file system's organisation (e.g.
www.learnthat.com /define/view.asp?id=6053   (195 words)

  
 A more detailed look at the Apple Macintosh   (Site not responding. Last check: 2007-10-13)
The Macintosh file system - what you don't understand will hurt you.
Never have more than 20 files in a given folder unless the system or application requires it.
Postscript printers are handled by Macintoshes under the "generic" label LaserWriter8 (generic for Apple because Apple first introduced postscript printers to the mass market.) Once you select LaserWriter8,you can then the printer description file "ppd" file that corresponds to your particular model and manufacturer.
www.canebas.org /mac_intro/mac_details.shtml   (1767 words)

  
 PHP: Filesystem Functions - Manual
This enables PHP to interoperate with Macintosh systems, but defaults to Off, as there is a very small performance penalty when detecting the EOL conventions for the first line, and also because people using carriage-returns as item separators under Unix systems would experience non-backwards-compatible behaviour.
When a function that needs a path requires the file it will output a temp file and return the path to it, so that ie.
Note, with PHP 4.3 anytime Mac files are read using fgets or file you'll need to auto_detect_line_endings since \n is otherwise assumed.
www.php.net /manual/en/ref.filesystem.php   (2020 words)

  
 Mac System 1.0
In system 6.0.8 and older, whenever you restarted, the contents of the trash were lost.
There could only be two levels of files on a disk: One in the root, and another in folders in the root.
It was added in System 6.0.2 (the first public version of system 6), and still exists to this day.
www.nd.edu /~jvanderk/sysone   (3280 words)

  
 Macintosh File Format   (Site not responding. Last check: 2007-10-13)
Text files and GIF image files are examples of Macintosh files that are usually stored completely in the data fork, and have an empty (or nonexistent) resource fork.
MacBinary is a standard way of taking a Macintosh file (both resource and data forks) and creating a new file with just a data fork.
This new file can then be transferred through machines which know nothing about the native Macintosh file system, without losing the information stored in the resource fork.
www.outfitters.com /infobahn/seminars/file-formats/mac.html   (333 words)

  
 [No title]   (Site not responding. Last check: 2007-10-13)
True or False?False, OSR2 supports FAT321208A technique for managing hard disks that enables the installation of multiple file systems on a single physical drive, or lets you configure multiple logical drives is called:a.
Master File Table (MFT)12916The UNIX file system uses a file system concept called:a.
In the Macintosh file system, this type of disk subdivision is called a (an) _____.allocation block14019Macintosh files contain two structures, or forks.
www.accd.edu /spc/bis/daggrey/Chap3Assnmt.doc   (481 words)

  
 GIF Prep free Macintosh Web graphics utility from BoxTop
The problem is the difficulty determining the true size of your GIF (and JPEG) graphics because of the dual nature of the Macintosh file system.
The answer to that question is the Macintosh uses a file system that references two separate files, one called a "resource fork" and one called a "data fork", as a single file visible on your desktop.
In the "data fork" of a Macintosh file is your cross-platform GIF or JPEG file.
www.boxtopsoft.com /gifprep.html   (469 words)

  
 COMPUTER SCIENCE TECHNICAL REPORT ABSTRACTS   (Site not responding. Last check: 2007-10-13)
We have created a Macintosh file system library which is portable to a variety of operating systems and platforms.
We describe the Macintosh Hierarchical File System and our implementation and note that the design is not well suited to reentrancy and that its complex data structures can lead to slow implementations in multiprogrammed environments.
Performance measurements show that our implementation is faster than the native Macintosh implementation at creating, deleting, reading and writing files with small request sizes, but slower than the Berkeley Fast File System (FFS.) However, the native Macintosh implementation can perform large read and write operations faster that either our implementation or FFS.
reports-archive.adm.cs.cmu.edu /anon/1998/abstracts/98-145.html   (162 words)

  
 Joliet File System by Thomas Tempelmann
Until now, if you inserted a Windows CD-ROM in your Mac, file names appeared to be crippled (in the so-called 8.3 format) or files may have been inaccessible.
Note that not only the file names are not mangled any more but that also all the files have proper Icons and Kind explanations, allowing you to open the files from the CD with a simple double click.
While the Finder in Mac OS 9 is still limited to 31 characters in file names, more and more 3rd party applications start to support longer names (up to 256 characters).
www.tempel.org /joliet   (2358 words)

  
 Mac OS 8 - TheBestLinks.com - Apple Macintosh, File system, January 7, July 22, ...   (Site not responding. Last check: 2007-10-13)
Released January 7 1998, OS 8.1 was the last version to run on Macs with either a m68k or PowerPC processor.
It introduced support for the HFS+ file system format, which supported large file sizes, longer file names and made more efficient use of the space on larger drives due to using a smaller block size.
Released October 15 1998, OS 8.5 was the first version of the Mac OS to run solely on Macs equipped with a PowerPC processor, as such it removed some but not all of the m68k code, improving system performance.
www.thebestlinks.com /Mac_OS_8.html   (340 words)

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