On Sun, 23 May 2021 at 23:00, <[email protected]> wrote:
> /usr/ucb/ps is…. Ancient.  And unmaintained.  All of /usr/ucb should be 
> avoided like the plague.  I realize that isn’t an answer to your question – 
> but I advise looking at /usr/bin/ps and the man page for it.

The link in the original mail is for "usr/src/cmd/ps/ucbps.c" which,
as far as I know, is compiled and included in /usr/bin/ps alongside
ps.c -- it's how we handle both the System V and the BSD style ps
arguments.


Cheers.

-- 
Joshua M. Clulow
http://blog.sysmgr.org

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