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Re: Sticky premissions.



> On Tue, Oct 23, 2001, Adi Stav wrote about "Re: Sticky premissions.":
> > If we're talking about the deficiency of UNIX permission bits, then
> > I'd say one big missing feature is the lack of an "append" 
> > permission. It could replace the sticky bit on directories and also 
> > be very useful for regular files.
> 
> By the way (and I assume you already know this), this "append" feature is
> available on Linux (on ext2 filesystems, at least). See chattr(1).
> Quite annoyingly, however, only the superuser can modify this attribute.
> 
> Apropos chattr, I find its A attribute (don't modify atime) quite interesting.
> I wonder why distributions don't set it on files in /lib, /bin, /usr/bin,
> and so on. It seems such a waste to write(!) to disk every time a command
> is used, even if that executable is already cached in memory...
> 


/usr is mounted here ro. I do not know how that affects the atime data.
I also wonder if there is always actual writing to the disk or just 
saving the data in memory and flashing the disk periodically.


> -- 
> Nadav Har'El                        |     Tuesday, Oct 23 2001, 6 Heshvan 5762
> nyh@math.technion.ac.il             |-----------------------------------------
> Phone: +972-53-245868, ICQ 13349191 |How's he gonna read that magazine rolled
> http://nadav.harel.org.il           |up like that? What the ... - a fly.
> 
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-- 
When responding, please quote my entire message.

    Shaul Karl <shaulka@bezeqint.net>



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