F

File
A collection of data stored on disk that appears to the user as a single entity. The file has a name, or filename, by which the user can access the file. All information stored in a computer must be in a file. Linux sees everything as a file: data files, text files, program files, directory files, even hardware is seen as a file. Different types of files store different types of information. For example, program files store programs, whereas text files store text.

File Manager
Software that manages data files. File managers can be used to do such things as rename, delete, move, and copy files.

File Owner
Identifies the user who creates a file or directory and is represented by the first group of three permissions in the Linux operating system. The owner of the file is also referred to as the user.

Filesystem
Organizes and stores data in a heirarchical structure. Components are files and directories.

Finger
A program that is used to display information about a specific user on the network. This will display such things as the users full name, e-mail address, location and so on.

File Type
Each file on the disk can be categorized by its type (which is denoted by an extension). Some of the file types are: executable, text, html and so on.

FTP
File Transfer Protocol. A protocol (with a matching program) that is used to copy files from a remote machine to the local machine.