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# History and Software Rollback
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Solus provides a history and rollback feature via its package manager, eopkg. This feature allows you to see when your repository was last
updated, actions such as installation, removal, and upgrading of software.
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Our rollback feature allows you to essentially rewind your system's software back to a previous state, assuming you or our repository has the versions in question.
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## History
You can see the history from eopkg by using:
``` bash
sudo eopkg history
```
## Rollback
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To rollback your system, first use the above history command to check what the transaction / operation number was. Then, we use the following command:
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``` bash
sudo eopkg history -t number
```
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The number, in this case, is the operation before the one you want to change. So if the number was `100` , then you would use `99` .
