What is a directory and a file and what is the difference between them?

Directory

A directory is like a box that can contain other boxes (subdirectories).

• There can be directory in a directory that is in a directory.
• A directory that is stored in a directory is sometimes referred to as a subdirectory.
• There can be zero or more directories (subdirectories) in a directory.
• Except subdirectories a directory can contain zero or more files as well.
• Directories can be created, renamed, deleted.

File

A file is a document that contains data.

• The files can be stored in folders.
• One file can be stored in one folder only.
• Files can be created, renamed, deleted. Their content can be modified.
• The full file name consists of the file name and file extension, these two pards are delimited by . (dot) character. The file extension usually identifies the type of the file. You can however rename the file name and the file extension to anything you want.