ln : make links between files
[SYNOPSIS] ln OPTION TARGET LINK_NAME
OPTION
-b make a backup of each existing destination file but does not accept an argument
-d, -F allow the superuser to attempt to hard link directories (note: will probably fail due to system restrictions, even for the superuser)
-f remove existing destination files
-i prompt whether to remove destinations
-L dereference TARGETs that are symbolic links
-n treat LINK_NAME as a normal file if it is a symbolic link to a directory
-P make hard links directly to symbolic links
-r with -s, create links relative to link location
-s make symbolic links instead of hard links
-S SUFFIX override the usual backup suffix
-t DIRECTORY specify the DIRECTORY in which to create the links
-T treat LINK_NAME as a normal file always
-v print name of each linked file