What is mean by file protection in operating system?

What is meant by file protection?

[′fīl prə‚tek·shən] (computer science) A mechanical device or a computer command which prevents erasing of or writing upon a magnetic tape but allows a program to read the data from the tape.

What is the need of file protection?

File systems can be damaged by hardware problems (such as errors in reading or writing), power surges or failures, head crashes, dirt, temperature extremes, and vandalism. Files may be deleted accidentally. … The need to protect files is a direct result of the ability to access files.

What is file protection and security?

Protection and security requires that computer resources such as CPU, softwares, memory etc. are protected. This extends to the operating system as well as the data in the system. … The system must be protect against unauthorized access, viruses, worms etc.

What are the file protection methods?

Protection in File System

  • Read – Reading from a file.
  • Write – Writing or rewriting the file.
  • Execute – Loading the file and after loading the execution process starts.
  • Append – Writing the new information to the already existing file, editing must be end at the end of the existing file.
  • Delete – …
  • List –
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How do we protect files?

Protect a document with a password

  1. Go to File > Info > Protect Document > Encrypt with Password.
  2. Type a password, then type it again to confirm it.
  3. Save the file to make sure the password takes effect.

What is meant by protection?

Protection refers to keeping something or someone safe. Through protection, we shelter and defend things. Since protecting is to shelter from harm, protection is the act of doing so. Children are under the protection of their parents, who keep them safe.

What is file system structure?

The file system structure is the most basic level of organization in an operating system. … Providing a common file system structure ensures users and programs are able to access and write files. File systems break files down into two logical categories: Shareable vs. unsharable files.

Which type of file protection is used to hide file?

Steganography is the technique of hiding secret data within an ordinary, non-secret, file or message in order to avoid detection; the secret data is then extracted at its destination. The use of steganography can be combined with encryption as an extra step for hiding or protecting data.

What is file explain types of file?

There are three basic types of files: regular. Stores data (text, binary, and executable). directory. Contains information used to access other files.