@@ -6,7 +6,7 @@ General

 -------

 DevStack is written in UNIX shell script.  It uses a number of bash-isms

-and so is limited to Bash (version 3 and up) and compatible shells.

+and so is limited to Bash (version 4 and up) and compatible shells.

 Shell script was chosen because it best illustrates the steps used to

 set up and interact with OpenStack components.

@@ -70,6 +70,18 @@ Q: What about Fedora/RHEL/CentOS?

 Q: Are there any differences between Ubuntu and Fedora support?

     A: Neutron is not fully supported prior to Fedora 18 due lack of

     OpenVSwitch packages.

+Q: Why can't I use another shell?

+    A: DevStack now uses some specific bash-ism that require Bash 4, such

+    as associative arrays. Simple compatibility patches have been accepted

+    in the past when they are not complex, at this point no additional

+    compatibility patches will be considered except for shells matching

+    the array functionality as it is very ingrained in the repo and project

+    management.

+Q: But, but, can't I test on OS/X?

+   A: Yes, even you, core developer who complained about this, needs to

+   install bash 4 via homebrew to keep running tests on OS/X.  Get a Real

+   Operating System.   (For most of you who don't know, I am refering to

+   myself.)

 Operation and Configuration

 ===========================