link-name
    Specifies the name for a LAT data link. A link name can have up
    to 16 ASCII characters. The characters allowed are as follows:
    o  Alphanumeric characters: A-Z, a-z, 0-9
    o  A subset of the international character set: ASCII codes 192-
       253
    o  Punctuation characters: dollar sign ($), hyphen (-), period
       (.), and underscore (_)
    The SHOW LINK command displays the names of the links defined for
    a node.