Html code for text boxes?

I'm wanting to find a code where it makes a text box and when you submit whats been typed in the box it publishes what's been written.
I can't find one anywhere. If you could help that would be great.
Update: Well I'm making a blog where I type entrys in, so I basically just need something that will publish the entrys I make.
Im new to all this and Im trying to learn.
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