vertx / io.vertx.reactivex.core.file / FileSystem / link

# link

`open fun link(link: String, existing: String, handler: Handler<AsyncResult<Void>>): FileSystem`

Create a hard link on the file system from `link` to `existing`, asynchronously.

### Parameters

`link` - the link

`existing` - the link destination

`handler` - the handler that will be called on completion

Return
a reference to this, so the API can be used fluently