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### Instruction:
What is the command to display OSPF database information in Cisco IOS XR?
### Response:
To display OSPF database information in Cisco IOS XR, use the command 'show ospf database'. This will display a summary of the LSAs in the OSPF database, categorized by LSA type. You can also specify a particular LSA type (router, network, summary, etc.) to view more detailed information.
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