File Concept Part 1 | Definition of a File | File Attributes | operating system | File System

#FileConcept #filesystem #operatingsystemlectures
File
A file is a named collection of related information that is recorded on secondary storage such as magnetic disks, magnetic tapes and optical disks. In general, a file is a sequence of bits, bytes, lines or records whose meaning is defined by the files creator and user.
File Structure
A File Structure should be according to a required format that the operating system can understand.
A file has a certain defined structure according to its type.
A text file is a sequence of characters organized into lines.
A source file is a sequence of procedures and functions.
An object file is a sequence of bytes organized into blocks that are understandable by the machine.
When operating system defines different file structures, it also contains the code to support these file structure. Unix, MS-DOS support minimum number of file structure.
File Type
File type refers to the ability of the operating system to distinguish different types of file such as text files source files and binary files etc. Many operating systems support many types of files. Operating system like MS-DOS and UNIX have the following types of files −
Ordinary files
These are the files that contain user information.
These may have text, databases or executable program.
The user can apply various operations on such files like add, modify, delete or even remove the entire file.
Directory files
These files contain list of file names and other information related to these files.
Special files
These files are also known as device files.
These files represent physical device like disks, terminals, printers, networks, tape drive etc.
These files are of two types −
Character special files − data is handled character by character as in case of terminals or printers.
Block special files − data is handled in blocks as in the case of disks and tapes.

[@jitheshrockers9415]

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[@SudhakarAtchala]

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[@04822212839]

Every nuke and corner of the subject addressed. Really an object -oriented explanation 👍

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[@vasavi3424]

Very detailed explanation sir. Thank you sir

[@SudhakarAtchala]

Glad you liked it Vasavi.

[@prashanthraoss2040]

Sir your teaching is very good and you explain the concept easily very thank you sir

[@SudhakarAtchala]

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[@user-si8wr2pw2z]

Thanks sir 🙏 again ❤❤😊

[@SudhakarAtchala]

Always welcome. Plz subscribe to the channel and if possible share with your friends. Thanks in advance.

[@prashanthraoss2040]

Thanks

[@SudhakarAtchala]

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[@jameelpasha6762]

Thankyou so much sir I am going to give the exact presentation as yours in my scl

[@SudhakarAtchala]

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[@vaibhavpatil6745]

Very elaborate and nice video series 👍

[@SudhakarAtchala]

Hai Vaibhav Patil, plz go through my playlists once. Definitely you will like more videos. Thanks for your encouragement and support towards our channel.Share my sessions with your friends and subscribe to our channel.Keep on following my sessions. Thank you so much.

[@balagavrish1412]

Very good explanation sir.

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[@kosurivasanthkrishna]

Thank you sir for good explanition

[@mansinaidu]

sir you remind me of alakh Pandey sir(physics wallah) ...because of your very good quality of content. Thank you for your wonderful playlist .

[@SudhakarAtchala]

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[@rithikthirukovalluri6064]

Nice explanation sir

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[@kamaleshbs2888]

Good explanation sir.thank u

[@SudhakarAtchala]

Keep watching Kamalesh.

[@GovtSerchhipCollegeOfficial]

Very clear explanation

[@SudhakarAtchala]

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[@prashanthkumar2748]

Thank you sir 😊

[@SudhakarAtchala]

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[@PragtiSharma-uu5br]

Finally I found what I research

[@SudhakarAtchala]

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[@aakash7287]

Thank you sir nice explanation❤

[@SudhakarAtchala]

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[@prems1545]

wonderful sir ji

[@SudhakarAtchala]

Hai Prem, plz go through my videos once. Definitely you will like more videos. Thanks
for your encouragement and support towards our channel. Share my sessions with your friends and subscribe to our channel.Keep on following my sessions. Thank you so much.

[@randomcontentplug6643]

Ppreciate it ,good explanation

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[@2m368]

love from nepal

[@SudhakarAtchala]

Thanks.

[@kafuu1]

Thank you for your video! Could you recommend some books that we can work on?

[@SudhakarAtchala]

Galvin. Plz subscribe to the channel and if possible share with your friends. Thanks in advance..

[@bojarajusuryaganesh2646]

Sir which text book are you following for operating system

[@SudhakarAtchala]

Galvin. Plz subscribe to the channel and if possible share with your friends. Thanks in advance..

[@madhusudanthore773]

I love you sir

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[@madhusudanthore773]

@@SudhakarAtchala definately sir I will share you videos

[@gajendranaik4417]

❤️❤️

[@SudhakarAtchala]

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[@akhil.creations]

I need notes of your classes sir of operating system

[@SudhakarAtchala]

not prepared any material.

[@Gopikrishna5628]

Can you explain Java

[@SudhakarAtchala]

refer this. ruclips.net/p/PLXj4XH7LcRfDlQklXu3Hrtru-bm2dJ9Df&si=kEm4kLUEOvW2HHmS
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[@niharikaniharika3995]

In which clg ur working now sir

[@SudhakarAtchala]

LBRCE

[@InspireMinds_999]

Sir please add unit no. In every video

[@SudhakarAtchala]

If we take files in one University it may be unit 4 and in another university it may be unit 5. So how can I give . Plz subscribe to the channel and if possible share with your friends. Thanks in advance..

[@InspireMinds_999]

@@SudhakarAtchala sir I want to say that if unit 5 contains 10 video then mark 10.1,10.2 ,10.3 .... According to video or topics

[@InspireMinds_999]

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[@mathspulligal7460]

Nice explanation sir

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[@balla4004]

Thank you sir ❤️😊

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