What are file types and file access in operating systems?

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Khushi Singh · Answer

File Types and File Access in Operating Systems
File Types:
File types classify files based on their content or format and extensions indicate them:
Text Files (.txt, .csv): For storing actual text which may be plain text or structure text.
Binary Files (.exe, .bin): They contain other sorts of data, such as executables.
Image Files (.jpg, .png): Store graphical data.
Audio/Video Files (.mp3, .mp4): Contain sound or visuals.
Document Files (.docx, .pdf): For office tasks.
Archive Files (.zip, .rar): Compressed collections.
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File Access Methods:
File access refers to how data is read/written:
Sequential Access: Data is accessed sequentially to read/write the data (for instance by reading log files).
Direct Access: Data is accessed in random order that is utilized for example in the case of databases.
Indexed Access: Takes advantage of an index for look-up.
Memory-Mapped Access: It translates files into memory so that they become easy to access.
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Permissions:
Access is controlled through permissions:
Read (R): View contents.
Write (W): Modify contents.
Execute (X): Run the file.
The operating system recognizes the file types and authorizes their access while processing data responsively and more efficiently.
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What are file types and file access in operating systems?

Revati S Misra

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