FILE SYSTEMS

FILE SYSTEMS

1. File System Interface

   • Attributes of a File
     • Name
     • Identifier
     • Type
     • Location
   • Access Methods
     • SEQUENTIAL ACCESS
     • DIRECT ACCESS
     • OTHER ACCESS METHODS
       • Indexed
   • Directory Structure
     • Position
     • Usage
   • Protection
     • Type Access
       • Read
       • Write
       • Delete
       • Execute
       • Lista
     • Mode Of Access
       • Execute
       • Read
       • Write

2. File System Implementation

   • FILE SYSTEM STRUCTURE
     • Application Programs
     • Logical File System
     • Logical File System
     • Basic File System
     • IO Control
     • Devices
   • Allocation Methods
     • CONTIGUOUS ALLOCATION
     • LINKED ALLOCATION
     • INDEXED ALLOCATION
     • UNIX METHOD
   • Free Space Management
     • BIT VECTOR METHOD
     • FREE LIST METHOD
     • GROUPING METHOD
     • COUNTING METHOD
   • Directory Management
   • Directory Management
     • THE DISK CACHE MECHANISM
     • THE DISK CACHE MECHANISM