The feature wasn't added until version 2.2
> <
>
> For version 2.2:
>
> * Allow nano to work like a pager (read from stdin) [DONE]
>
and CentOS6 uses nano-2.0.9-7 (<
If you decided you want the latest version, you can download from the upstream site (< and then follow the Fedora guide to build your own RPM. (<