pages*: make help and version commands comply with the style guide (#12107)

* pages*: use generic word for help

* git: add newline to the end

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

* pages*: make help and version commands comply with the style guide

* java: fix Java name

---------

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/common/aws-iam.md

@@ -3,10 +3,6 @@
 > CLI for AWS IAM.
 > More information: <https://awscli.amazonaws.com/v2/documentation/api/latest/reference/iam/index.html>.
 
-- Show `aws iam` help page (including all available iam commands):
-
-`aws iam help`
-
 - List users:
 
 `aws iam list-users`
@@ -34,3 +30,7 @@
 - List access keys for a specific user:
 
 `aws iam list-access-keys --user-name {{user_name}}`
+
+- Display help:
+
+`aws iam help`