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Using screen, commands like less and man don't clear the screen afterwards

In bash without screen if I do a less or man and then type q to quit, the contents of the less or man page that was showing disappears and I'm left with my previous bash output plus a new prompt. I like this.

With screen, when I enter "q" I'm left with whatever less/man/etc. page I was viewing plus a new prompt. I don't like this.

Is there a screen option I can use?

screen 4.00.03jw4 (FAU) 2-May-06

GNU bash, version 4.2.8(1)-release (x86_64-pc-linux-gnu)

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brec
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    You know about the `clear` command right? – Dunes Dec 31 '11 at 22:54
  • @Dunes, yes, but AFAIK **clear** will replace the contents of the window with blanks/background. When I (q)uit less or man I want the contents to collapse to nothing as if the output of my less or man command was null. That's what bash, without screen, does. – brec Dec 31 '11 at 23:14
  • Whoa, after my question was migrated from stackoverflow to here I see in the margin that there are answers! E.g., [link](http://superuser.com/questions/223898/on-quit-less-does-not-clear-its-contents-when-run-in-a-screen-session): the altscreen parameter is what I was looking for. – brec Dec 31 '11 at 23:23

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