File is a collection of data or information on your computer or any storage drive that is identified by a unique name. Almost all information on the device is a file. It can be program, image, video, song or document will all be saved in the form of a file. A computer file is made up of a name, which creates the identity, an extension which informs the OS and other associated programs about the type of the file.

File extension

File extension is the second part of the name of a computer file, which tells you the type of that file. It starts with the period (.) and is comprised of 3 letters that too in small letters. It specifies the kind of data stored in the file. For example, .doc is an extension for word documents, .xls indicates the excel files, .png indicates image files etc.

File Size: File size is the numerical value that expresses the number of bytes, which indicates how much storage is associated with the file.

Operations performed on files

Files stored on your computer can be moved, created, modified, shrunk, grown, read, deleted etc. some of the common operations performed on a file are:

  • Create a new file
  • Change the access permissions and attributes of a file
  • Open a file that makes the file contents available to the program
  • Read data from the file
  • Write data into the file
  • Close a file, terminating the association between it and the program
  • Deleting a file

Types of files

File types are determined by the content present in the file and which is then identified by the file extension. There are many different types of files: data files, text files, program files, directory files, and so on. Different types of files store different types of information. For example, program files store programs, whereas text files contain text data. some of the general file types are as listed below:

  • Text files: Text files are those that contain only text data which is specific to particular type for example Unicode, ASCII codes etc.
  • Data Files: These files are those that are most widely used format which contains general data that is to be used and analyzed by a computer application or system.  Data can be of any type word documents, excel sheets, Pictures, videos, songs and many more.
  • Program files: These are the range of system files whose content is hidden from the user's eye but are crucial for the proper functioning of websites and applications.
  • Library file: It is a unit of data that is referenced by a specific program or the operating system itself. Such type of files includes plug-ins, components, scripts, and many others.

Additional Info: Most of the times, some files went missing from computer due to unknown reason and sometimes user accidentally delete any important file. After these instances, user thinks that recovery of lost or deleted files is not possible, but it is only a misconception. You can easily recover deleted files using Remo Recover Software.

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