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QUOTE: And on HP-UX 11.0 it lets you know about the job but if you exit anyway, it's still there (of course, root now owns it on HP - now I need to look into what other fun that can cause).
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I am an HPUX admin and do run 11.0 and 11i, and you are correct in your assesment for a USER. However, that is not the case if you are actually running the job as ROOT.
There is no one to had the job off to in that case. So it will abend when you logout after the warning message.
I find it is good practice to use nohup in all cases just so it is always the same. You are performing the command with the same methodology all the time.
That is why I don't alias the rm -i command because it is a non-standard command. However, don't get me wrong it is perfectly okay to have aliases. I just don't do it for rm, mv, and similar commands. That is just my personal philosophy.