Creates a soft link and optionally specifies an expiration time and
 an extension time.

 SYNOPSIS

      CREATE LINK link-name DESTINATION destination-name

      [EXPIRATION expiration-time] [EXTENSION extension-time]

 Arguments

 link-name

 The full name of the soft link.

 destination-name

 The full name of the entry to which the soft link points.

 expiration-time

 A date and time after which DECdns checks for existence of the soft
 link's target and either extends or deletes the soft link. The value
 is specified as yyyy-mm-dd-hh:mm:ss. This argument is optional.
 If you omit the argument, the soft link is permanent and must be
 explicitly deleted.

 extension-time

 A period of time in which to renew the soft link's life if it
 expires but still points to an existing name. The value is specified
 as ddd-hh:mm:ss. This argument is optional. The default is 000-00:00:00.

 ACCESS RIGHTS
 You must have write access to the directory in which you intend to
 create the soft link.