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/linux/lvm.md

@@ -7,10 +7,6 @@
 
 `sudo lvm`
 
-- List the Logical Volume Manager commands:
-
-`sudo lvm help`
-
 - Initialize a drive or partition to be used as a physical volume:
 
 `sudo lvm pvcreate {{/dev/sdXY}}`
@@ -34,3 +30,7 @@
 - Display information about logical volumes:
 
 `sudo lvm lvdisplay`
+
+- Display help for a specific command:
+
+`lvm help {{command}}`