Github user dyozie commented on a diff in the pull request:
https://github.com/apache/incubator-hawq-docs/pull/80#discussion_r94880323
--- Diff: admin/setuphawqopenv.html.md.erb ---
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+---
+title: Introducing the HAWQ Operating Environment
+---
+
+Before invoking operations on a HAWQ cluster, you must set up your HAWQ
environment. This set up is required for both administrative and
non-administrative HAWQ users.
+
+## <a id="hawq_setupenv"></a>Procedure: Setting Up Your HAWQ Operating
Environment
+
+HAWQ installs a script that you can use to set up your HAWQ cluster
environment. The `greenplum_path.sh` script, located in your HAWQ root install
directory, sets `$PATH` and other environment variables to find HAWQ files.
Most importantly, `greenplum_path.sh` sets the `$GPHOME` environment variable
to point to the root directory of the HAWQ installation. If you installed HAWQ
from a product distribution, the HAWQ root is typically `/usr/local/hawq`. If
you built HAWQ from source or downloaded the tarball, you will have selected an
install root directory on your own.
+
+Perform the following steps to set up your HAWQ operating environment:
+
+1. Log in to the HAWQ \<node\-type\> system as the desired user. For
example:
+
+ ``` shell
+ $ ssh gpadmin@<master>
+ gpadmin@master$
+ ```
+
+ Or, if you are already logged in to \<node\-type\> as a different
user, switch to the desired user. For example:
+
+ ``` shell
+ gpadmin@master$ su - <hawq-user>
+ Password:
+ hawq-user@master$
+ ```
+
+2. Set up your HAWQ operating environment by sourcing the
`greenplum_path.sh` file. For HAWQ deployments installed from a product
distribution:
+
+ ``` shell
+ hawq-node$ source /usr/local/hawq/greenplum_path.sh
+ ```
+
+ If you built HAWQ from source or downloaded the tarball, substitute
the path to the installed or extracted `greenplum_path.sh` file \(for example
`/opt/hawq-2.1.0.0/greenplum_path.sh`\).
+
+
+3. Edit your `.bash_profile` or other shell initialization file to source
`greenplum_path.sh` on login. For example, add:
+
+ ``` shell
+ source /usr/local/hawq/greenplum_path.sh
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