ln
ln [OPTION]... [-T] TARGET LINK_NAME (1st form) ln [OPTION]... TARGET (2nd form) ln [OPTION]... TARGET... DIRECTORY (3rd form) ln [OPTION]... -t DIRECTORY TARGET... (4th form)
ln creates a hard or symbolic link to a file.
Links are used extensively in UNIX filesystems.
Examples
Create a hard link
ln ripley hicks
Create a symbolic link
ln -s ripley hicks