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1st chunk of `src/nix/profile-rollback.md`
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# Examples

* Roll back your default profile to the previous version:

  ```console
  # nix profile rollback
  switching profile from version 519 to 518
  ```

* Switch your default profile to version 510:

  ```console
  # nix profile rollback --to 510
  switching profile from version 518 to 510
  ```

# Description

This command switches a profile to the most recent version older
than the currently active version, or if `--to` *N* is given, to
version *N* of the profile. To see the available versions of a
profile, use `nix profile history`.

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Title: Nix Profile Rollback Command
Summary
The `nix profile rollback` command allows users to switch a Nix profile to an older version. By default, it reverts to the most recent version prior to the current one. Alternatively, the `--to N` option can be used to switch to a specific version *N*. To inspect available profile versions, the `nix profile history` command should be used. The text provides examples for rolling back to the immediately previous version and to a specified version.