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System Software & Computing Concepts > Unit 9 : File Management > Flashcards

Unit 9 : File Management Flashcards

1
Q

What does File Management refers to in OS?

A
  1. Refers to the set of processes and techniques involved in creating, organization, accessing, manipulating, and controlling files stored on storage devices, such as hard drives, solid-state drives or network storage
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2
Q

List out the Objectives of File Management ( 10 )

A
  1. File Backup
  2. File Encryption
  3. File Retrieval
  4. Data Sharing
  5. File Compression
  6. Space Management
  7. File Auditing
  8. File Versioning
  9. Data Security
  10. File Organizaion
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3
Q

What is the advantage of File Management? ( 6 )

A
  1. Improved Organization
  2. Data Security
  3. Data Sharing
  4. Backup and Recovery
  5. Compression
  6. Versioning
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4
Q

How does sequential stores file inside storage sevice?

A
  1. In a sequential manner
  • Each file occupies a contiguous block of storage space
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5
Q

How to access the data in Sequential method?

A
  1. Requires reading from the beginning until the desired location is reached
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6
Q

What is the disadvantage for Sequential File Managing method?

A
  1. Simple but can be inefficient for random access operations
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7
Q

List out all the File Managing methods ( 6 )

A
  1. Sequential
  2. Index
  3. Direct
  4. FAT ( File Allocation Table )
  5. NFTS ( New Technology File System )
  6. Distributed
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8
Q

How does Indexed File Managing Method manages file?

A
  1. Ultilizes and index structure to improve file access efficiency
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9
Q

What is created alongside when using the Indexed File Managing Method? ( 2 )

A
  1. Main Data File
  2. Pointers to Various location within the file
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10
Q

What does pointer in indexed file managing method do?

A
  1. Allow for quick navigation and direct access to specific data within the file
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11
Q

What file management method is known for random access file management?

A
  1. Direct
  • It enables direct access to any part ( without the need to traverse the entire file sequentially )
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12
Q

How does direct file managing system ultilizes to keep track of the file locations?

A
  1. Uses FAT or similar data structure to keep track of file locations
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13
Q

What is the advantages of direct file managing system?

A
  1. Allows for faster and more efficient file access, particularly for larger files
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14
Q

What file managing system is commonly used in various OS?

A

1.FAT ( File Allocation Table )

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15
Q

How does FAT allocate file location?

A
  1. Employs a table, know as the FAT to track the allocation status of each cluster on a storage device
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16
Q

What does FAT supports

A

1.Sequential and random access to files

17
Q

Which file managing systems provides a simple and reliable file management structure?

A
  1. FAT
18
Q

What file managing system provides enhanced security, file compression, file encryption and suport for larger file sizes and volumes?

A
  1. NFTS ( New Technology File System )
  • It uses a complex structure to manage files effiently
19
Q

What file managing system provides advanced file management capabilities?

A
  1. NFTS ( New Technology File System )
20
Q

What file managing system allows file to be stored accross multiple networked devices or servers?

A
  1. Distributed
  • Provide transparent access to files from different locations
21
Q

What are the protocol used in file sharing in distributed file sharing system?

A
  1. Network File System ( NFS )
  2. Server Message Block ( SMB )
22
Q

List out the examples of File Management System (

A
  1. Windows Explorer in Windows OS
  2. Finder on MacOS
  3. File Manager in Linux ( Nautilus, Dolphin )
  4. Network-Attached Storage ( NAS )
  5. Content Management System ( CMS )
  6. Source Code Management Systems ( Git )
  7. Database Management Systems
23
Q

What does NAS do?

A
  1. Systems specialized file management systems that store & manage files on network, allowing multiple users to access and edit files simultaneously.
24
Q

What does Cloud-based file storage services provides?

A
  1. Provide a file management system that allows users to store and manage files in the cloud, allowing access from multiple devices and collaboration with other users.
25
Q

How does File Manager allocates file?

A
  1. Reading it from hard disk and loading it into memory ( while updating its record who is using that file )
26
Q

How does File Manager deallocates file?

A
  1. By updating file tables and rewriting the file ( if changed ) to the hard disk
27
Q

What does Field mean in File Manager?

A
  1. Collection of bytes that can be identified by a user, and has type and size
28
Q

What does Record mean in File Manager?

A
  1. Collection of related Fields
29
Q

What does File mean in File Manager?

A
  1. Collection of records
30
Q

What does Directory / Folder mean in File Manager?

A
  1. Special type of file that has lists of files and their attributes
31
Q

List out the 2 parts of a file, 3 parts for full filename

A
  1. Filename
  2. Extension

backup( filename ).bat ( extension )

  1. Path
  2. Filename
  3. Extension

C:\WINDOWS\system32\backup.bat

32
Q

What does Access Control Matrix shows?

A
  1. The access that each user has for each file on the system
33
Q

List out all the possible accesses in Access Control Matrix ( 4 )

A
  1. R - Read
  2. W - Write
  3. E - Execute
  4. D - Delete
34
Q

How does Linux uses the access control matrix?

A
  1. It assigns to one of three groups
    • User
    • User Group
    • World

-rwx( User ) rwx ( User Group ) rwx ( World )

System Software & Computing Concepts (9 decks)

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