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From: learn@igloo.UUCP (william vajk)
Newsgroups: comp.unix.questions,comp.unix.wizards,comp.unix.microport
Subject: Re: Trouble killing processes in SysV/AT
Summary: simple to create an unkillable
Message-ID: <648@igloo.UUCP>
Date: 17 May 88 11:02:22 GMT
References: <3950@killer.UUCP> <3951@killer.UUCP> <3967@killer.UUCP> <379@jc3b21.UUCP>
Organization: igloo, Northbrook, IL
Lines: 15

In article <379@jc3b21.UUCP>, rac@jc3b21.UUCP (Roger A. Cornelius) writes:
 
> Does anyone know what problems this could cause (besides 'who' not returning
> anything)? 

While not locking a terminal, the following simple shell script creates
an unkillable process (pg) if run in background :


	tail -20 <foo> | pg

I'm sure there are plenty of other examples. This just happens to be one
I found on uport and a 3b2.

Bill Vajk                                                   learn@igloo