The word "file" derives from the Latin filum ("a thread, string").
"File" was used in the context of computer … See more

On most modern operating systems, files are organized into one-dimensional arrays of bytes. The format of a file is defined by its content since a file is solely a container for data.
On some pl… See more

The most basic operations that programs can perform on a file are:
• Create a new file
• Change the access permissions and attributes of a file
• Open a file, which makes the file contents available to the progr… See more

In modern computer systems, files are typically accessed using names (filenames). In some operating systems, the name is associated with the file itself. In others, the file is anonymous, and is pointed to by links that have n… See more

Many modern computer systems provide methods for protecting files against accidental and deliberate damage. Computers that allow for multiple users implement file permissions to control who may or ma… See more

Any file that has any useful purpose must have some physical manifestation. That is, a file (an abstract concept) in a real computer system must have a real physical analogue if it is to exist at all.
In physical … See more