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FILE SYSTEM by Mind Map: FILE SYSTEM

1. FUNCTION

1.1. Creating, manipulating, renaming, copying, and removing files to and from a storage device

1.2. Organizes files into common storage units called directories

1.3. Keeps track of where files and directories are located

1.4. Assists users by relating files and folders to the physical structure of the storage medium

2. OPERATING SYSTEM

2.1. FAT (file allocation table)

2.1.1. Used from MS-DOS to Windows ME

2.2. NTFS (New Technology File System)

2.2.1. Default for Windows NT through Windows 2003

2.3. Unix and Linux support several file systems

2.3.1. XFS, JFS, ReiserFS, ext3, and others

2.4. HFS+

2.4.1. The current Mac OS X file system

3. FLIE ORGANIZATION

3.1. Binary or text

3.1.1. Computer readable but not human readable

3.1.2. Text files consist of ASCII or Unicode characters

3.2. Sequential or random access

3.2.1. Text files consist of ASCII or Unicode characters

4. A HARD DISK OR DRIVE

4.1. Physically organized into tracks and sectors

4.2. Read/write heads move over specified areas of the hard disks to store (write) or retrieve (read) data

4.3. Random access device