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| Older style file name format in which the name of the file can be up to eight characters long, followed by a period and an extension of three characters. |
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| The logical portion of a hard disk drive that is currently being used to store data. In a PC system, the partition that contains the bootable operating system. |
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| In the MAC file system a feature that presents an icon that represents an executable file. Equivalent to the Unix/Linux Link and the Windows shortcut. |
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| In the MAC file system, a division of hard disk data. Equivalent to the Windows disk cluster. Each Mac volume is divided into 216(65535) individual units. |
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| On a hard disk drive areas of the surface that cannot be used to safely store data. Bad clusters are usually identified by the format command or one of the hard drive utilities such as chkdsk or e2fsck. |
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| In the MAC file system a seven bit file format used to transmit data across network links that do not support native Mac file formats. |
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| A hard disk configuration scheme in which the disk is divided into logical blocks which in turn are mapped to sectors, heads, and tracks. Whenever the operating system needs to allocate some disk space, it allocates based on a block address. |
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| The Unix/Linux file system, a device that is divided or configured into logical blocks. |
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| The Unix/linux and MAC OS X equivalent of the Windows Master Boot Record (MBR), THE AREA OF THE HARD DISK THAT STORES PARTITION INFORMATION FOR THE DISK. fOR EXAMPLE, ON A mac FORMATTED DISK, THE FIRST TWO SECTORS ARE BOOT BLOCKS THAT IDENTIFY THE FILING SYSTEM, THE NAMES OF THE IMPORTANT SYSTEM FILES, AND OTHER IMPORTANT INFORMATION. |
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Definition
| In the MAC file system, a list of all files on a given volume, similar to a directory in the Windows file system. |
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| CD-ROM File system ( CDFS) |
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Definition
| A 32 bit file system used on CD ROMS and DVD's |
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Definition
| In windows based file system, a logical block of information on a disk containing one or more sectors. |
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| Hidden file characteristics in the MAC file system that indicate the program that created the file. |
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| Tracks that line up from top to bottom in a hard disk drive(like a stack of disk tracks). |
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| That portion of a file in the MAC file system that stores the variable data associated with the file. Data fork information might include word processing data, spread information and so on. |
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Definition
| A tool that rearranges data on a disk in a continuous fashion, riding the disk of scattered open clusters. |
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Definition
| Also called a folder in many file systems an organizational structure that contains files and may additionally contain sub-directories under it. In Unix/Linux a directory is simply a special file on a disk drive that is used to house information about other data stored on the disk. In other systems, a directory or folder is a container object that houses files and sub-directroies or subfolders. A directory or foldercontains information about files such as filenames, file sizes, date of creation and file type. |
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Definition
| The UNix/Linux equivalent of a partition table in MS-DOS or windows systems. the disk label is a table containing information about each partition on a disk, such as the type of partition, size, and location. Also the disk label provides information to the computer about how to access the disk. |
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Definition
| Allocating a specific amount of disk space to a user or application with the ability to ensure that the user or application cannot use more disk space than is specified on the allocation. |
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| Distributed Link Tracking |
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Definition
| A technique new to the NTFS 5 so that shortcuts such as those on the desktop are not lost when files are moved to another volume. |
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Definition
| The file system designed for Linux that is installed by default in Linux operating systems |
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Definition
| A file system released in 1998 with MAC OS 8.1 and the file system used in MAC OS X |
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Definition
| In MS-DOS and Windows based systems that part of a filename that typically identifies the type of file associated with the name. File extensions are typically three characters long and include standard notations such as .sys, .exe., .bat, |
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Definition
| Keeps track of the location of the file fragments oe extents in the MAC OS HFS file system. |
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Term
| File Allocated Table (FAT) |
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Definition
| A file management system that defines the way data is stored on a disk drive. The FAT stores information about file size and physical location on the disk. |
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Term
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Definition
| File characteristics stored with the filename in the disk directory, which specify certain storage and operational parameters associated with the file. Attributes are noted by the value of specific data associated with the filename. file attributes include Hidden, read-Only, Archive, and so on. |
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Definition
| A design for storing and managing files on a disk drive. File systems are associated with operating systems such as Unix/Linux, MAC OS X and Windows. |
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Definition
| In Windows versions starting with Windows 2000 and Unix/Linux a file management technique that permits multiple directory entries to point to the same physical file. |
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| Hierarchical Filing System (HFS) |
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Definition
| An early apple MAC file system storage method that uses a hierarchical directory structure. |
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Definition
| A process that prepares a disk partition (or removable media) for a specific file system. |
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| A procedure used by a file system that can detect a damaged disk area and then automatically copy information from that area to another disk area that is not damaged. |
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Definition
| Short for Information Node, In Unix/Linux a system for storing key information about files. |
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Definition
| The ability of a file system or software to track file changes so that if a system crashes unexpectedly , it is possible to reconstruct files or to roll back changes with minimal or no damage. |
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Definition
| Used in a FAT file system so that when a file is written to disk, each cluster containing that file's data has a pointer to that location of the next cluster of data. |
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Definition
| A software definition that divides a physical hard drive into multiple drives for file storage. |
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Definition
| A name for a file, folder, or directory in a file system in which the in which the name can be up to 255 characters long. Long filenames in Windows, Unix/Linux and MAC OS systems are also POSIX compliant in that they honor uppercase and lowercase characters. |
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Definition
| A software process that marks tracks and sectors on a disk. A low level format is necessary before a disk can be partitioned and formatted. |
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Definition
| A format for MAC OS files that joins data and resource forks and preserves type and creator codes so that MAC files can be transferred over the internet or used via online services. |
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Term
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Definition
| THE ORIGINAL mac filinf system introduced in 1984 MFS was limited to keeping track of 128 documents, applications, and folders |
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Definition
| An area of a hard disk in MS-DOS and Windows that stores partition information about that disk. MBR's are not found on disks that do not support multiple partitions. |
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Term
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Definition
| In Windows versions starting with Windows XP, a file management system similar to that of FAT and directories used in MS-DOS and earlier versions of Windows. This table is located at the beginning of a partition , the boot sector is located ahead of the MFT, just as it is in the FAT system. |
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Definition
| In the MAC file system, the 31 character filename length that MAC OS has supported from the beginning. |
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Definition
| Files that contain information about the actual data. |
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Term
| New Technology File System (NTFS) |
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Definition
| The file storage system that is the native system in Windows versions starting with Windows NT. |
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Term
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Definition
| Blocking a group of tracks ans sectors to be used by a particular file system, such as FAT or NTFS. Partitioning is a hard disk management technique that permits the installation of multiple file systems on a single disk, or the configuration of multiple logical hard drives that use the same file system on a single physical hard drive. |
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Term
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Definition
| Table containing information about each partition on a disk, such as the type of partition, size, and location. Also the partition table provides information to the computer about how to access the disk. |
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Term
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Definition
| Hard drive in a computer that you can physically touch and that can be divided into one or more logical drives. |
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Term
| Portable Operating System Interface (POSIX) |
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Definition
| A Unix standard designed to ensure portability of applications among various versions of Unix. |
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Term
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Definition
| In the Unix/Linux file system a device that has not been divided into logical blocks. |
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Term
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Definition
| In the MAC file system that portion of a file that contains fixed information, such as programs icons, menu resources, and splash screens. |
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Definition
| The highest level directory with no directories above it in the structure of files and directories in a file system. |
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Definition
| A portion of a disk track. Disk tracks are divided into equal segments or sectors. |
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Definition
| In the MAC file system a file search utility that can be find filenames or text within files. |
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Term
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Definition
| The new way to search in the MAC OS X starting with version 10.4 Tiger. Its stores a virtual index of everything on the system. |
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Term
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Definition
| Bits used as part of a directory entry to identify the type of file contained in each entry. The status bits in use are volume, directory, system, hidden, read-only and archive. |
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Term
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Definition
| In the Unix/Linux file system, a special data block that contains information about the layout of blocks sectors, and cylinders groups on the file system. This information is the key to finding anything on the file system and it should never change. |
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Term
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Definition
| A special file in the Unix/linux file system that permits a directory link to a file that is on a different partition. This is a special file, which has a flag set in the inode to identify it as a symbolic link. The content of the file is a path that, when followed, leads to another file. |
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Term
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Definition
| Concentric rings that cover an entire disk like grooves on a phonograph record. Each ring is divided into sectors in which to store data. |
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Term
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Definition
| In the MAC FILE SYSTEM EMBEDDED FILE INFORMATION THAT DENOTES WHAT APPLICATIONS WERE USED TO CREATE THE FILES. MAC OS TYPE CODES ARE USED IN MUCH THE SAME WAY AS WINDOWS FILE EXTENSIONS THAT IDENTIFY FILE TYPES WITH TXT., .DOC., AND OTHER EXTENSIONS |
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Term
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Definition
| A 16 bit character code that allows for the definition of up to 65536 characters |
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Term
| Universal Disk Format (UDF) |
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Definition
| A removable disk formatting standard used for large capacity CD-ROMS and DVD-ROMS |
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Term
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Definition
| A file system supported in most versions of Unix/Linux that is a hierarchical file system which is expandable, supports large storage, provides excellent security and is reliable. UFS employs information nodes (inodes) |
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Term
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Definition
| On a MAC formatted disk the sector after the boot blocks. The volume information block point to other important areas of information, such as the location of the system files and the catalog and extents trees. |
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Term
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Definition
| A series of characters that identify a disk drive or the file system it is using. |
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