Uses for access time

[XMRP50000[jcm]-a.v.reed]

In article <2651 at ttrdc.UUCP> levy at ttrdc.UUCP (Daniel R. Levy) writes:
> In article <4054 at mtgzz.UUCP>, avr at mtgzz.UUCP (XMRP50000[jcm]-a.v.reed) writes:
> > Unfortunately, "access time" is NOT updated when an executable is
> > executed.
> You should qualify your statement with "not ALWAYS updated", unless you specify
> a specific system.  This machine obviously updates access time upon execution:
> Gurus:  Which systems DO update access time upon execution (presuming it's
> possible at all, e.g., not on a readonly filesystem)?  Which systems don't?

Of the systems I'm currently using:

USG 2.0v2p on vax-780 does NOT
Unix PC (hybrid) 3.5 does
BSD 4.2 on Sun 3/60 does
USG 5.2.5 on Amdahl does NOT if the sticky bit is set; does otherwise.

Updating st_atime on exec is NOT required by SVID (Issue 2; Vol.1,
p. 127).
					Adam Reed (mtgzz!avr)