docs: Add keyboard shortcuts

This commit adds four keyboard shortcuts to the developer
documentation that were found from reading the source:

Esc: Toggle between system console and plymouth boot animation.

Ctrl-V: Toogle verbose mode on and off.

Ctrl-U or Ctrl-W: erase a line

diff --git a/docs/development.txt b/docs/development.txt
index 9d6898a5afa609abe95ca2daf6c103392620d8f3..57a819f5c094ae83b7821d28470fbedd7dba418a 100644 (file)
--- a/docs/development.txt
+++ b/docs/development.txt
@@ -101,6 +101,19 @@ influence plymouth.
 
  * +plymouth.nolog+ Disable logging.
 
+
+Keyboard commands
+~~~~~~~~~~~~~~~~~
+
+plymouthd can be controlled with the keyboard. Use the following keys:
+
+ * +Esc+: Toggle between system console and plymouth boot animation.
+
+ * +Ctrl-V+: Toogle verbose mode on and off.
+
+ * +Ctrl-U+ or +Ctrl-W+: erase a line
+
+
 Debugging
 ---------