a

src/.vuepress/config.js

@@ -159,6 +159,10 @@ export default {
           {
             text: 'Post Install',
             link: '/docs/installing/post-install',
+          },
+          {
+            text: 'Using ectool',
+            link: '/docs/installing/ectool',
           }
         ]
       },

src/docs/installing/ectool.md

@@ -0,0 +1,16 @@
+# Using Ectool
+
+`ectool` is a utility that is used to interface with the ChromeOS Embedded Controller. It is used to communicate with the embedded controller from userspace and vice versa.
+
+## Uses
+
+
+:::tip
+Run `ectool help` for a full list of commands.
+:::
+
+Some common uses of `ectool` include:
+
+- Accessing the EC console: `ectool console`
+- Controlling the fan with `ectool fanduty <percent>`
+- Set the keyboard backlight in devices that have it: `ectool pwmsetkblight <percent>`