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From: brnstnd@kramden.acf.nyu.edu (Dan Bernstein)
Newsgroups: comp.unix.questions
Subject: Re: changing file times
Message-ID: <28448:Oct3105:31:4490@kramden.acf.nyu.edu>
Date: 31 Oct 90 05:31:44 GMT
References: <28928@boulder.Colorado.EDU>
Organization: IR
Lines: 10

In article <28928@boulder.Colorado.EDU> englund@tramp.Colorado.EDU (ENGLUND TODD CHARLES) writes:
> 	Does anyone know how to change the last date a file was altered?  Even
> if one doesn't happen to be a super-user?

Use the utimes() system call. You can never change the ctime to anything
but the current time, except by changing the system time or writing the
raw disk. Note that any uses of the atime/mtime for security should also
check the ctime.

---Dan