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From: lkc@hpirs.UUCP
Newsgroups: comp.unix.wizards
Subject: Re: BSD vi/view resets inode ctime: why?
Message-ID: <4760006@hpirs.HP.COM>
Date: Tue, 10-Mar-87 13:39:51 EST
Article-I.D.: hpirs.4760006
Posted: Tue Mar 10 13:39:51 1987
Date-Received: Sat, 14-Mar-87 08:51:22 EST
References: <4801@brl-adm.ARPA>
Lines: 15

> Why does 4.2/4.3 BSD vi/view, exited without changing the file, update the
> inode change time?  Dump finds many more files to dump because of this, when
> the file contents/permissions/etc. have not changed.  This makes incremental
> dumps much larger than seems necessary.  Sorry if this has been asked/answered
> before, but my access to unix-wizards is sporadic.
> 
> -- Rex
>    rex@erebus.stanford.edu

As soon as you read a file, the access time is changed. If the access
time changes, the kernel has no choice but to update the change
status time.

Lee Casuto
...ucbvax!hpda!lkc