1 ### <a name="Documentation of the TWiki Imple"></a> Documentation of the TWiki Implementation (version TWiki-4.1.2, Sat, 03 Mar 2007, build 13046)
3 - [(1)](#implementation) Implementation Notes
4 - [(2)](#installation) Installation Notes
5 - [(3)](#upgrade) Upgrading Earlier Versions of TWiki
6 - [(4)](#authentication) TWiki Authentication
7 - [(5)](#login) Wiki Username vs. Login Username
8 - [(6)](#access) TWiki Access Control
9 - [(7)](#templates) Wiki Templates
10 - [(8)](#variables) Wiki Variables
11 - [(9)](#notification) Notification of Changes by Email
12 - [(10)](#category) TWiki Category Table
13 - [(11)](#administration) TWiki Administration
15 **_Note:_** Read the most up to date version of this document at <http://TWiki.org/cgi-bin/view/TWiki/TWikiDocumentation>
17 **_Related Topics:_** [[TWikiWeb]], [[TWikiHistory]], [[TWikiPlannedFeatures]], [[TWikiEnhancementRequests]].
19 <a name="implementation"> </a>
23 **(1) Implementation Notes**
25 <a name="installation"> </a>
29 **(2) Installation Notes**
31 <a name="upgrade"> </a>
35 **(3) Upgrading Earlier Versions of TWiki**
37 <a name="authentication"> </a>
41 **(4) TWiki Authentication**
47 **(5) Wiki Username vs. Login Username**
49 <a name="control"> </a>
53 **(6) TWiki Access Control**
55 <a name="templates"> </a>
59 **(7) Wiki Templates**
61 <a name="variables"> </a>
65 **(8) Wiki Variables**
67 <a name="notification"> </a>
71 **(9) Notification of Changes by Email**
73 <a name="category"> </a>
77 **(10) TWiki Category Table**
79 <a name="administration"> </a>
83 **(11) TWiki Administration**