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FILES IN operating
system
By,
T.G.PREETHI
19IFTE073
CONTENT ( FILES )
1. Text file (doc)
2. Plain text file (txt)
3. MP3Audio file
4. MIDI file (mid)
5. Data file (ppt)
6. Video file (mpeg)
7. Image file (jpeg)
8. GIF file
9. Spreadsheet file (xls)
10. Database file
11. SQL Database file
12. Game file
13. HTML file
14. PHP file
15. PDFfile
FILE EXTENSIONS
• It is also known as file name extension.
• A file extension is the suffix at the end of a file name that indicates
what type of file it is.
• It is a set of charactersthat helps windows understandwhat kind of
informationis in a file and what program shouldopen it.
• EXAMPLE : image.jpg
image – filename,
.jpg - file extension
1.TEXT FILE
Microsoft Word Document
➢ A word processing document created by Microsoft Word.
➢ It may contain formatted text,images,tables,graphs,charts.
S.NO ATTRIBUTES EXAMPLE
1. File name preethi1
2. Extension .doc
3. Location C:usersELCOTDesktop
4. Size 100 KB
5. Time 10 : 30 : 59
6. Date 19 August2020
7. Password 123456
2.Plain text file
❖ Standard text document that contains unformatted text;
❖ It recognized by any text editing or word processing
program;
❖ It can also be processed by most other software programs.
S.NO ATTRIBUTES EXAMPLE
1. File name preethi2
2. Extension .txt
3. Size 500 KB
4. Location C:usersELCOTDocuments
5. Date and Time 20 August 2020 and 11 : 45 : 19
6. Password 123745
3.AUDIO FILE
MP3Audio file
✓ It is used to commonly store music files and audiobooks on a
hard drive
✓ The quality of an MP3 file depends largely on the bit rate
used for compression.
S.NO ATTRIBUTES EXAMPLE
1. File name Mahabharatham theme music
2. Extension .mp3
3. File size 50 MB
4. Location C:usersELCOT
5. Created Time 09 : 10 : 33
6. Created Date 21 August 2020
4. Midi file
Musical Instrument Digital Interface ( MIDI )
▪ It contains attributes of music data rather than music data itself.
▪ They can be played back using data software instruments that interpret
this data
S.NO ATTRIBUTES EXAMPLE
1. File name Prayer song
2. Extension .mid
3. Location C:userspreethimusic
4. File size 20 MB
5. Date 22 August 2020
6. Time 08 : 20 : 53
5. DATa file
PowerPoint Presentation
• It is editable slide show created with Microsoft Powerpoint;
• It is often used for presentations or slideshows
S.NO ATTRIBUTES EXAMPLE
1. File name Files in operating system
2. Extension .ppt
3. Location C:usersdocuments
4. File size 15 MB
5. Date and Time 25 August 2020 and 07 : 26 : 35
6. Owner dell)owner
6. Video file
MPEG Video File
▪ It is common digital video format standardized by the Moving Picture
Experts Group (MPEG) .
▪ It is often used for creating movies that are distributed on the internet
S.NO ATTRIBUTES EXAMPLE
1. File name songs
2. Extension .mpeg
3. Location C:usersvideos
4. File size 400 MB
5. Time and date 06 ; 15 : 36 and 26 August 2020
6. password 5689325
7. Image file
JPEG Image File
❖ The most used image file format and it is commonly used for storing
digital photos since the format supports up to 24-bit color;
❖ Therefore,most digital cameras save images as JPG files by default.
S.NO ATTRIBUTES EXAMPLE
1. File name Garden
2. Extension .jpeg
3. Location C:usersphotos
4. File size 50 MB
5. Date and Time 26 August 2020 and
6. Password 90038310
8. Graphical interchange
format file
➢ GIF Files are common format for web graphics , especially
small images.
➢ Images that contain text , such as navigation buttons .
S.NO ATTRIBUTES EXAMPLE
1. File name Krishna
2. extension .gif
3. Location C:usersphotos
4. File size 70 MB
5. Date and Time 28 August 2020 and 04 : 16 :46
6. Password 9344153
9. Spreadsheet file
Excel Spreadsheet
✓ A spreadsheet created by Microsoft Excel ,the most widely-used
spreadsheet program;
✓ It stores data in a table with rows and columns .
✓ It is often used to create charts and graphs.
S.NO ATTRIBUTES EXAMPLE
1. File name Student details
2. Extension .xls
3. Location C:usersdocuments
4. File Size 90 MB
5. Date and Time 29 August 2020 and 03 ; 56 :19
6. Password 8925169
10. Database file
➢ A Database file used on mobile devices such as Android,IOS and
Windows phone 7.
➢ It is often stores contacts and SMS information but may store any type
of device or application data.
S.NO ATTRIBUTES EXAMPLE
1. File name Employee details
2. Extension .db
3. Location C:usersdocuments
4. File size 110 MB
5. Date and Time 17 August 2020 and 15 ; 46 ; 19
6. Password 88702532
11. Sql database file
Structured Query Language Data
❖ It contains SQL Code used to modify the contents of a relational database ;
❖ It may contain statements for creating or modifying database structures or may contain
insertions , updates , deletions and other SQL operations.
S.NO ATTRIBUTES EXAMPLE
1. File name Customer details
2. Extension .sql
3. File Size 150 MB
4. Location C:usersdocuments
5. Date and Time 5 August 2020 and 05 : 16: 49
6. Password 91065963
12. Game file
Saved Game File
❑ A File created by various video games to store saved games;
❑ It may be manually saved by the user or automatically saved by the
program.
S.NO ATTRIBUTES EXAMPLE
1. File name Subway surfers
2. Extension .gam
3. File size 500 MB
4. Location C:usersdownloads
5. Date and Time 6 August 2020 and 09: 15: 58
6. Password 74846642
13. Web file
Hypertext Markup Language File
• Web page used by Web browsers and it contains markup code that is
stored on a plain text format.
• It is used to display and format text and images in a Web browser.
S.NO ATTRIBUTES EXAMPLE
1. File name praveena
2. Extension .html
3. File size 4.00 KB
4. Location C:usersdocuments
5. Date and TIme 8 August 2020 and 02 : 56: 13
6. Password 56413212
14. Hypertext
preprocessor file
➢It may includePHP Functions that can processonline forms .
➢It get the date and time or access informationfrom a database
S.NO ATTRIBUTES EXAMPLE
1. File name Smallest_number
2. Extension .php
3. File Size 6.00 KB
4. Location C:usershtdocssmallest_number
5. Date and Time 4 August 2020 and 01 : 23: 14
6. Password 56421210
15. Portable
document format
✓ A file format that has captured all the elements of a printed document
as an electronic image that you can view , navigate, print or forward
to someone else.
S.NO ATTRIBUTES EXAMPLE
1. File name Operating system
2. Extension .pdf
3. File size 100 MB
4. Location C:usersdocuments
5. Date and Time 27 August 2020 and 05 : 10 : 29
6. Password 75986221
THANK YOU…..!

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FILES IN OPERATING SYSTEMS

  • 2. CONTENT ( FILES ) 1. Text file (doc) 2. Plain text file (txt) 3. MP3Audio file 4. MIDI file (mid) 5. Data file (ppt) 6. Video file (mpeg) 7. Image file (jpeg) 8. GIF file 9. Spreadsheet file (xls) 10. Database file 11. SQL Database file 12. Game file 13. HTML file 14. PHP file 15. PDFfile
  • 3. FILE EXTENSIONS • It is also known as file name extension. • A file extension is the suffix at the end of a file name that indicates what type of file it is. • It is a set of charactersthat helps windows understandwhat kind of informationis in a file and what program shouldopen it. • EXAMPLE : image.jpg image – filename, .jpg - file extension
  • 4. 1.TEXT FILE Microsoft Word Document ➢ A word processing document created by Microsoft Word. ➢ It may contain formatted text,images,tables,graphs,charts. S.NO ATTRIBUTES EXAMPLE 1. File name preethi1 2. Extension .doc 3. Location C:usersELCOTDesktop 4. Size 100 KB 5. Time 10 : 30 : 59 6. Date 19 August2020 7. Password 123456
  • 5. 2.Plain text file ❖ Standard text document that contains unformatted text; ❖ It recognized by any text editing or word processing program; ❖ It can also be processed by most other software programs. S.NO ATTRIBUTES EXAMPLE 1. File name preethi2 2. Extension .txt 3. Size 500 KB 4. Location C:usersELCOTDocuments 5. Date and Time 20 August 2020 and 11 : 45 : 19 6. Password 123745
  • 6. 3.AUDIO FILE MP3Audio file ✓ It is used to commonly store music files and audiobooks on a hard drive ✓ The quality of an MP3 file depends largely on the bit rate used for compression. S.NO ATTRIBUTES EXAMPLE 1. File name Mahabharatham theme music 2. Extension .mp3 3. File size 50 MB 4. Location C:usersELCOT 5. Created Time 09 : 10 : 33 6. Created Date 21 August 2020
  • 7. 4. Midi file Musical Instrument Digital Interface ( MIDI ) ▪ It contains attributes of music data rather than music data itself. ▪ They can be played back using data software instruments that interpret this data S.NO ATTRIBUTES EXAMPLE 1. File name Prayer song 2. Extension .mid 3. Location C:userspreethimusic 4. File size 20 MB 5. Date 22 August 2020 6. Time 08 : 20 : 53
  • 8. 5. DATa file PowerPoint Presentation • It is editable slide show created with Microsoft Powerpoint; • It is often used for presentations or slideshows S.NO ATTRIBUTES EXAMPLE 1. File name Files in operating system 2. Extension .ppt 3. Location C:usersdocuments 4. File size 15 MB 5. Date and Time 25 August 2020 and 07 : 26 : 35 6. Owner dell)owner
  • 9. 6. Video file MPEG Video File ▪ It is common digital video format standardized by the Moving Picture Experts Group (MPEG) . ▪ It is often used for creating movies that are distributed on the internet S.NO ATTRIBUTES EXAMPLE 1. File name songs 2. Extension .mpeg 3. Location C:usersvideos 4. File size 400 MB 5. Time and date 06 ; 15 : 36 and 26 August 2020 6. password 5689325
  • 10. 7. Image file JPEG Image File ❖ The most used image file format and it is commonly used for storing digital photos since the format supports up to 24-bit color; ❖ Therefore,most digital cameras save images as JPG files by default. S.NO ATTRIBUTES EXAMPLE 1. File name Garden 2. Extension .jpeg 3. Location C:usersphotos 4. File size 50 MB 5. Date and Time 26 August 2020 and 6. Password 90038310
  • 11. 8. Graphical interchange format file ➢ GIF Files are common format for web graphics , especially small images. ➢ Images that contain text , such as navigation buttons . S.NO ATTRIBUTES EXAMPLE 1. File name Krishna 2. extension .gif 3. Location C:usersphotos 4. File size 70 MB 5. Date and Time 28 August 2020 and 04 : 16 :46 6. Password 9344153
  • 12. 9. Spreadsheet file Excel Spreadsheet ✓ A spreadsheet created by Microsoft Excel ,the most widely-used spreadsheet program; ✓ It stores data in a table with rows and columns . ✓ It is often used to create charts and graphs. S.NO ATTRIBUTES EXAMPLE 1. File name Student details 2. Extension .xls 3. Location C:usersdocuments 4. File Size 90 MB 5. Date and Time 29 August 2020 and 03 ; 56 :19 6. Password 8925169
  • 13. 10. Database file ➢ A Database file used on mobile devices such as Android,IOS and Windows phone 7. ➢ It is often stores contacts and SMS information but may store any type of device or application data. S.NO ATTRIBUTES EXAMPLE 1. File name Employee details 2. Extension .db 3. Location C:usersdocuments 4. File size 110 MB 5. Date and Time 17 August 2020 and 15 ; 46 ; 19 6. Password 88702532
  • 14. 11. Sql database file Structured Query Language Data ❖ It contains SQL Code used to modify the contents of a relational database ; ❖ It may contain statements for creating or modifying database structures or may contain insertions , updates , deletions and other SQL operations. S.NO ATTRIBUTES EXAMPLE 1. File name Customer details 2. Extension .sql 3. File Size 150 MB 4. Location C:usersdocuments 5. Date and Time 5 August 2020 and 05 : 16: 49 6. Password 91065963
  • 15. 12. Game file Saved Game File ❑ A File created by various video games to store saved games; ❑ It may be manually saved by the user or automatically saved by the program. S.NO ATTRIBUTES EXAMPLE 1. File name Subway surfers 2. Extension .gam 3. File size 500 MB 4. Location C:usersdownloads 5. Date and Time 6 August 2020 and 09: 15: 58 6. Password 74846642
  • 16. 13. Web file Hypertext Markup Language File • Web page used by Web browsers and it contains markup code that is stored on a plain text format. • It is used to display and format text and images in a Web browser. S.NO ATTRIBUTES EXAMPLE 1. File name praveena 2. Extension .html 3. File size 4.00 KB 4. Location C:usersdocuments 5. Date and TIme 8 August 2020 and 02 : 56: 13 6. Password 56413212
  • 17. 14. Hypertext preprocessor file ➢It may includePHP Functions that can processonline forms . ➢It get the date and time or access informationfrom a database S.NO ATTRIBUTES EXAMPLE 1. File name Smallest_number 2. Extension .php 3. File Size 6.00 KB 4. Location C:usershtdocssmallest_number 5. Date and Time 4 August 2020 and 01 : 23: 14 6. Password 56421210
  • 18. 15. Portable document format ✓ A file format that has captured all the elements of a printed document as an electronic image that you can view , navigate, print or forward to someone else. S.NO ATTRIBUTES EXAMPLE 1. File name Operating system 2. Extension .pdf 3. File size 100 MB 4. Location C:usersdocuments 5. Date and Time 27 August 2020 and 05 : 10 : 29 6. Password 75986221