website: more docs

website/source/docs/commands/graph.html.markdown

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+---
+layout: "docs"
+page_title: "Command: graph"
+sidebar_current: "docs-commands-graph"
+---
+
+# Command: graph
+
+The `terraform graph` command is used to generate a visual
+representation of either a configuration or execution plan.
+The output is in the DOT format, which can be used by
+GraphViz to generate charts.
+
+
+## Usage
+
+Usage: `terraform output [options] [input]`
+
+By default, `output` scans the current directory for the configuration
+and generates the output for that configuration. However, a path to
+another configuration or an execution plan can be provided. Execution plans
+provide more details on creation, deletion or changes.
+
+## Generating Images
+
+The output of `terraform graph` is in the DOT format, which can
+easily be converted to an image by making use of `dot` provided
+by GraphViz:
+
+```
+$ terraform graph | dot -Tpng > graph.png
+```
+
+Alternatively, the webbased [GraphViz Workspace](http://graphviz-dev.appspot.com)
+can be used to quickly render DOT file inputs as well.
+
+Here is an example graph output:
+![Graph Example](/images/graph-example.png)
+

website/source/docs/commands/output.html.markdown

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+---
+layout: "docs"
+page_title: "Command: output"
+sidebar_current: "docs-commands-output"
+---
+
+# Command: output
+
+The `terraform output` command is used to extract the value of
+an output variable from the state file.
+
+## Usage
+
+Usage: `terraform output [options] NAME`
+
+By default, `plan` requires only a variable name and looks in the
+current directory for the state file to query.
+
+The command-line flags are all optional. The list of available flags are:
+
+* `-state=path` - Path to the state file. Defaults to "terraform.tfstate".
+