'Directory entry' presentation slideshows

Transaction

Transaction. All-or-nothing. Principles of Computer System (2012 Fall). Where are we?. System Complexity Modularity & Naming Enforced Modularity Network Fault Tolerance Transaction All-or-nothing Before-or-after. Review. Goal Building reliable system out of unreliable components

966 views • 78 slides

File-System Interface

File-System Interface. File Concept File Operations Access Methods Directory Structure Access control. Files. A file is a named collection of related information that is recorded on secondary storage Several information storage media (magnetic/optical disks)

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File Systems

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Outline

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Mobile Operating Systems Symbian The Symbian OS home page shows the demand paging. symbian/symbianos/index.html Develop

Mobile Operating Systems Symbian The Symbian OS home page shows the demand paging. http://www.symbian.com/symbianos/index.html Developer pages. http://www.forum.nokia.com/info/sw.nokia.com/id/dbb8841d-832c-43a6-be13- f78119a2b4cb.html Android.

714 views • 37 slides

Scalable CC-NUMA Design Study - SGI Origin 2000

Scalable CC-NUMA Design Study - SGI Origin 2000. CS 258, Spring 99 David E. Culler Computer Science Division U.C. Berkeley. Recap. Flat, memory-based directory schemes maintain cache state vector at block home Protocol realized by network transactions

362 views • 36 slides

FILE SYSTEM INTERFACE

FILE SYSTEM INTERFACE. File Management System. Bridges the gap between low-level disk organization (an array of blocks) and the user's views (a stream or collection of records) (mapped).Some devices transfer a character or a block of characters at a time.

433 views • 35 slides

JOURNALING VERSUS SOFT UPDATES: ASYNCHRONOUS META-DATA PROTECTION IN FILE SYSTEMS

JOURNALING VERSUS SOFT UPDATES: ASYNCHRONOUS META-DATA PROTECTION IN FILE SYSTEMS. Margo I. Seltzer, Harvard Gregory R. Ganger, CMU M. Kirk McKusick Keith A. Smith, Harvard Craig A. N. Soules, CMU Christopher A. Stein, Harvard. INTRODUCTION.

472 views • 32 slides

Automating File Sharing

Automating File Sharing. Chapter 19. Understand how to automount file systems under Windows. Understand how to create a consistent name space. Understand NFS automounter setup. Understand automounter map files. Chapter Goals.

514 views • 29 slides

Week Eight Agenda

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Computer Forensics

Computer Forensics. Investigation of a USB Storage Device (FAT16). USB Storage Example. Identify FAT Boot Sector (Sector 0) Find BPB. USB Storage Example. 0B-0C: Bytes per Sector (little endian) 00 02 ? 02 00 = 512 decimal 0D: Sectors per Cluster: 04 10: Number of FATs: 02.

406 views • 25 slides

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IA32 Paging Scheme

728 views • 22 slides

Ext2/Ext3 Linux File System

Ext2/Ext3 Linux File System. Reporter: Po-Liang, Wu. Outline. Introduction File System Layout Metadata Concepts Indexing and Directories Journaling Example Conclusion. Introduction. Ext2 and Ext3 are the default Linux file system.

841 views • 21 slides

A Baseline for XP Boot Changes

A Baseline for XP Boot Changes. AAFS - 26 February 2010. Ben Livelsberger NIST Information Technology Laboratory CFTT Project. Disclaimer.

638 views • 20 slides

10 :File-System Implementation

10 :File-System Implementation. File-System Structure Allocation Methods Free-Space Management Directory Implementation Efficiency and Performance Recovery. File-System Structure. File structure Logical storage unit Collection of related information

323 views • 20 slides

The Functions of Operating Systems

The Functions of Operating Systems . Desktop PC Operating Systems. Learning Objectives. Describe the main components of a typical desktop PC operating system. Define the terms boot file and a file allocation table (FAT). . Main components of a typical desktop PC operating system . HCI

223 views • 19 slides

File Systems

289 views • 18 slides

Elementary Data structures

Elementary Data structures. Arrays. Sequence of elements of similar type. Elements are selected by integer subscripts. For example, signs: array [37:239] of integer. records. Sequence of elements having diverse types and sizes.

304 views • 15 slides

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