Subject: Re: utmp file format change
To: Noriyuki Soda <firstname.lastname@example.org>
From: None <email@example.com>
Date: 08/23/2001 09:24:03
>>> - Solaris uses struct utmpx, instead of utmp. which does not look very
>>> good to me.
>>The reason that Solaris and other (almost all) commercial UNIX keep
>>old utmp format (and use other file like utmpx for extended
>>information) is binary compatibility for third party applications.
> Solaris utmpx does not look binary compatible to utmp at all. I don't
> understand what you mean here.
forget it. you said "binary compatibility" to mean "utmp and utmpx
are separate files and older program using /var/log/utmp works okay".