Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!CSVAX.CALTECH.EDU!andy
From: andy@CSVAX.CALTECH.EDU (Andy Fyfe)
Newsgroups: gnu.bash.bug
Subject: bash weirdness (bash 1.01)
Message-ID: <8906250008.AA04616@csvax.caltech.edu>
Date: 25 Jun 89 00:08:34 GMT
Sender: daemon@tut.cis.ohio-state.edu
Distribution: gnu
Organization: GNUs Not Usenet
Lines: 12

Make a script like the following:
    echo 1
    sleep 2
    echo 2
    sleep 2
    echo 3
    sleep 2
    echo 4
    sleep 2
    echo 5
Source it.  Hit break in the middle.  The script continues, but
the shell exits.  (If it's your login shell then you're logged out!)