FILE SYSTEMS

FILE SYSTEMS

1. File System Interface (More Visible)

   • File
     • collection of related bytes
     • Atributes such as: Name, identifier, Date, type, proteccion...
     • Operating System Understands and Interprets
     • kinds of structure
       • Sample record structure
       • Complex Structure
       • Kep the infmation about the fiels
   • Acces Methost
     • SEQUENTIAL ACCESS
     • DIRECT ACCESS
   • Directory Structure
     • Tree-Structured Directory
   • Protection

2. File System Implementation

   • Layered File System
   • Apliocation Program
     • LOgical FIle system
       • FIle-Organization Moudle
         • Basic FIle System
           • I/O Control
             • Devices
   • Virtual File Systems (VFS)
     • provide an object-oriented way of implementing file systems
   • Allocation Methods
     • CONTIGUOUS ALLOCATION
     • LINKED ALLOCATION
     • INDEXED ALLOCATION

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