The command allows you to get a listing of the different groups available for the multi-sample OTU data that are currently stored in memory. This feature should help in using the group option for other commands. For this tutorial you should download and decompress

Default Options

The shared parameter is required.

mothur >

This tells you that you have two groups: one for the rainforest sequences and another for the pasture sequences.


  • 1.40.0 - Speed and memory improvements for shared files. #357 , #347