This tutorial introduces the concepts and use of the Crunch job system using the @arv@ command line tool and Arvados Workbench.
-*This tutorial assumes that you are "logged into an Arvados VM instance":ssh-access.html#login, and have a "working environment.":check-environment.html*
+*This tutorial assumes that you are "logged into an Arvados VM instance":{{site.basedoc}}/user/getting_started/ssh-access.html#login, and have a "working environment.":{{site.basedoc}}/user/getting_started/check-environment.html*
In the previous section, we downloaded a file from Keep and computed the md5 hash of the complete file. While straightforward, there are several obvious drawbacks to this approach:
* Large files require significant time to download.