---
layout: default
navsection: userguide
-title: "Construct a pipeline"
+title: "Constructing a Crunch pipeline"
navorder: 115
---
-h1. Tutorial: Construct a pipeline
+h1. Tutorial: Constructing a Crunch pipeline
-A pipeline in Arvados is a sequence of crunch scripts, in which the output from the previous script is fed in as the input to the next script.
+A pipeline in Arvados is a collection of crunch scripts, in which the output from one script may be used as the input to another script.
*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*