--- a/man.rst	Thu May 07 23:01:37 2009 +0300
+++ b/man.rst	Sun May 10 09:27:36 2009 +0300
@@ -1,5 +1,32 @@
 -*- outline -*-
 
+* Man sections.
+
+  1 Executable programs or shell commands.
+  2 System calls (functions provided by the kernel).
+  3 Library calls (functions within program libraries).
+  4 Special files (usually found in /dev).
+  5 File formats and conventions eg /etc/passwd.
+  6 Games.
+  7 Miscellaneous (including macro  packages  and  conventions).
+  8 System administration commands (usually only for root).
+
+* Invoking man.
+
+** Search for prog, func, conf file.
+
+  $ man [<section>] <item>
+
+** Search by specific keywords.
+
+  $ man -k <keywords>
+
+** Throw Emacs.
+
+  M-x man RET [<section>] <item>
+
+  M-x man RET -k SPACE <keywords>
+
 * Sections order.
 
 NAME                - brief prog description