### 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
Related Topics: [[TWikiWeb]], [[TWikiHistory]], [[TWikiPlannedFeatures]], [[TWikiEnhancementRequests]].
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**(1) Implementation Notes**
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**(2) Installation Notes**
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**(3) Upgrading Earlier Versions of TWiki**
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**(4) TWiki Authentication**
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**(5) Wiki Username vs. Login Username**
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**(6) TWiki Access Control**
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**(7) Wiki Templates**
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**(8) Wiki Variables**
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**(9) Notification of Changes by Email**
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**(10) TWiki Category Table**
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**(11) TWiki Administration**