How do I make 'mutt' to list un-read mails?

[Virupaksh Honnur <viruhonn@xxxxxxxxx>]

Hello,

I am a new user of 'mutt' and I am wondering how can I make mutt to
list the unread mails(may be in a sequence!)?. The purpose is to read
the un-read and/or delete them.

Thanks,
-Viru