--- a/dimentions.rst	Thu Feb 11 14:53:48 2010 +0200
+++ b/dimentions.rst	Wed Feb 24 00:10:20 2010 +0200
@@ -19,6 +19,12 @@
 
   http://en.wikipedia.org/wiki/Pixels_per_inch
 
+* lpi
+
+lines per inch.
+
+  http://en.wikipedia.org/wiki/Lines_per_inch
+
 * bpp
 
 bits per pixel, color depth.

--- a/windows.rst	Thu Feb 11 14:53:48 2010 +0200
+++ b/windows.rst	Wed Feb 24 00:10:20 2010 +0200
@@ -80,3 +80,13 @@
 Create the following DWORD value (if it doesn't exist): LmCompatibilityLevel
 
 And set its value to: 1
+
+* Map dir to disk.
+
+To create:
+
+  cmd> subst [to-disk: [from-disk:]path]
+
+To remove:
+
+  cmd> subst disk: /d