Subject: Re: A report on implementing runlevels in NetBSD
To: None <>
From: Christos Zoulas <>
List: tech-userlevel
Date: 12/05/1999 19:50:28
In article <>,
Greg A. Woods <> wrote:
>I don't recall there being any explicit separate BSD API on AIX, at
>least not in 3.x.x (I've not really done much programming on 4.x, and
>what I did was actually running on an Apple Server and using GCC :-).

Well, linking with -lbsd gave you bsd signals, directory, and process
group semantics. As the posix stuff stabilized this went away.

>I think I did port what there was of zsh and pdksh to AIX-3 back then,
>but I don't recall any problems with job control.

It was 4 that broke things.

>Or are you talking about the virtual memory algorithm and SIGDANGER?

Yeah, that.