From owner-freebsd-questions  Wed Jul 18 10:11:28 2001
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Date: Wed, 18 Jul 2001 19:11:49 +0000 (GMT)
From: "P. U. (Uli) Kruppa" <root@pukruppa.de>
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To: angela <angelayu@ca.inter.net>
Cc: Lanny Baron <lnb@FreeBSDsystems.COM>,
	"freebsd-questions@FreeBSD.ORG" <freebsd-questions@FreeBSD.ORG>
Subject: Re: one & and two &&
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On Wed, 18 Jul 2001, angela wrote:

> Date: Wed, 18 Jul 2001 12:43:03 -0400
> From: angela <angelayu@ca.inter.net>
> To: Lanny Baron <lnb@FreeBSDsystems.COM>,
>      "freebsd-questions@FreeBSD.ORG" <freebsd-questions@FreeBSD.ORG>
> Subject: one & and two &&
>
> Hi Lanny Baron
>
>
> What is differenet one '&' and two '&&'
& is the logical "and" condition:
a&b=true if (a=true and b=true)
(both a and b are checked)

&& is a 'technical' "and" condition:
only check b=true if a=true (anything else would be a waste
of time)


Uli.


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