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From: j_adams@hpfcbig.SDE.HP.COM (John Adams)
Newsgroups: comp.unix.shell
Subject: Re: How does one learn arg0 in csh
Message-ID: <13830001@hpfcbig.SDE.HP.COM>
Date: 29 Nov 90 22:13:43 GMT
References: <25611@uflorida.cis.ufl.EDU>
Organization: HP SESD, Fort Collins, CO
Lines: 6

The c-shell "prompt" varaible will be set if you have a login shell.  You
can test by:

   if ( $?prompt )

John Adams