A filename (also written as two words, file name) is a name used to uniquely identify a computer file stored in a file system. Filenames are a human-friendly label for the references or pointers that operating systems use to identify files within a file system.

A filename (also written as two words, file name) is a name used to uniquely identify a computer file stored in a file system. Filenames are a human-friendly label for the references or pointers that operating systems use to identify files within a file system.