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+# Syntax
+
+## BNF Syntax
+This Wiki describes the GAM command line syntax in modified BNF.
+* https://en.wikipedia.org/wiki/Backus-Naur_Form
+
+Skip the History section and start reading at Introduction.
+
+Items on the command line are space separated, when an actual space character is required, it will be indicated by ```<Space>```.
+If an item contains spaces, it should be surrounded by ".
+
+Metasyntactic symbols
+```
+[] optional item
+() group items
+* item may appear zero or more times
++ item may appear one or more times
+| separates alternative items
+```
+## Items
+- [Basic](Basic-Items)
+- [Lists](List-Items)
+
+## Collections
+- [ChromeOS Devices](Collections-of-ChromeOS-Devices)
+- [Users](Collections-of-Users)
+- [Items](Collections-of-Items)
+- [Verify Collections](List)
+
+## Python Regular Expressions
+- [Python Regular Expressions](Python-Regular-Expressions)