Linux Shells by Example

ln—creates hard links to files

ln [options] source [dest]
ln [options] source… directory
Options:
[-bdfinsvF] [-S  backup-suffix] [-V {numbered,existing,simple}]
[--version-control={numbered,existing,simple}] [--backup]
[--directory] [--force][--interactive] [--no-dereference] [--symbolic]
[--verbose] [--suffix=backup-suffix] [--help] [--version]

If the last argument names an existing directory, ln links each other given file into a file with the same name in that directory. If only one file is given, it links that file into the current directory. Otherwise, if only two files are given, it links the first onto the second. It is an error if the last argument is not a directory and more than two files are given. Symbolic links are used if crossing ...