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# Luke
## Introduction
Luke (atop Swing) is the GUI tool for introspecting your Lucene index. It allows:
* Browsing your documents, indexed terms and posting lists
* Searching in the index
* Performing index maintenance: index health checking, index optimization (take a backup before running this!)
* Testing your custom Lucene analyzer (Tokenizer/CharFilter/TokenFilter)
## Launching Luke
Using a binary release
The [Lucene Downloads](https://lucene.apache.org/core/downloads.html) page contains stable releases of Lucene including Luke. Download the respective release, unpack and run a shell or batch scripts inside the folder 'luke' (or directly with java -jar if you prefer it that way).
## Older releases
Older releases of Luke (prior to 8.1) can be found at https://github.com/DmitryKey/luke
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