diff --git a/Scripting.md b/Scripting.md
index a2e20fd..7ee53f4 100644
--- a/Scripting.md
+++ b/Scripting.md
@@ -17,4 +17,17 @@ A short description of every command. Click on the command to go to a more detai
 
 **echo** command - Outputs data to the screen. Syntax: `echo "<text to be outputted>"` Example: `echo "Hello There!"`
 
-**chk** command - Checks two values against each other. Syntax: `chk <value1> <value2>` Example: `chk $[HAX] a9lh`
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+**chk** command - Checks two values against each other. Syntax: `chk <value1> <value2>` Example: `chk $[HAX] a9lh`
+
+[more to come ofc]
+
+#### Environmental Variables
+
+Environmental Variables are variables that are always available, no matter what. They are determined when GodMode9 boots, and cannot be changed via scripting commands. Remember, when including a variable in a command, use `$[VAR]` where `VAR` is the name of the variable (i.e. `$[HAX]`).
+
+`GM9VER` - the version of the currently running GodMode9 firm. (i.e. v5.0.0)
+`REGION` - the region of the console's SysNAND. (can be `USA`, `EUR`, `JPN`, `KOR`, `CHN`, `TWN`, or `UNK` for unknown)
+`SERIAL` - the serial of the console's SysNAND, not including Check Digit. (i.e. `CW13701547`)
+`GM9OUT` - the standard output path (i.e. `0:/gm9/out`)
+`CURRDIR` - the directory the script is running from (i.e. `0:/gm9/scripts`)
+`HAX` - the exploit the system is running from (can be `ntrboot`, `sighax`, `a9lh`, or ` ` (empty, would be ""))
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