### <a name="Documentation of the TWiki Imple"></a> Documentation of the TWiki Implementation (version TWiki-4.1.2, Sat, 03 Mar 2007, build 13046)

- [(1)](#implementation) Implementation Notes
- [(2)](#installation) Installation Notes
- [(3)](#upgrade) Upgrading Earlier Versions of TWiki
- [(4)](#authentication) TWiki Authentication
- [(5)](#login) Wiki Username vs. Login Username
- [(6)](#access) TWiki Access Control
- [(7)](#templates) Wiki Templates
- [(8)](#variables) Wiki Variables
- [(9)](#notification) Notification of Changes by Email
- [(10)](#category) TWiki Category Table
- [(11)](#administration) TWiki Administration

**_Note:_** Read the most up to date version of this document at <http://TWiki.org/cgi-bin/view/TWiki/TWikiDocumentation>

**_Related Topics:_** [[TWikiWeb]], [[TWikiHistory]], [[TWikiPlannedFeatures]], [[TWikiEnhancementRequests]].

<a name="implementation"> </a>

----

**(1) Implementation Notes**

<a name="installation"> </a>

----

**(2) Installation Notes**

<a name="upgrade"> </a>

----

**(3) Upgrading Earlier Versions of TWiki**

<a name="authentication"> </a>

----

**(4) TWiki Authentication**

<a name="login"> </a>

----

**(5) Wiki Username vs. Login Username**

<a name="control"> </a>

----

**(6) TWiki Access Control**

<a name="templates"> </a>

----

**(7) Wiki Templates**

<a name="variables"> </a>

----

**(8) Wiki Variables**

<a name="notification"> </a>

----

**(9) Notification of Changes by Email**

<a name="category"> </a>

----

**(10) TWiki Category Table**

<a name="administration"> </a>

----

**(11) TWiki Administration**