[PC-BSD Support] Why are there two /tmp dirs in Free/PC-BSD ?

Andy Pintar andy at hapoteh.net
Thu Mar 11 08:47:55 PST 2010


It's explained here: http://www.pathname.com/fhs/2.2/fhs-5.15.html
Basically, /tmp is (typically) cleared at boot time, whereas /var/tmp 
might/ought not.

On Thu, 11 Mar 2010, USM Bish wrote:

>
> Looks like a newbie question. Sorry for looking naive ;-)
>
> Why are there two /tmp dirs in Free/PC-BSD ?
>
> Besides /tmp there is also a /var/tmp
>
> I tried to experiment a bit by moving the contents of /var/tmp
> to /tmp and then deleting it. I created a soft link of /tmp to
> /var/tmp.
>
> On reboot I got stuck up at the boot prompt of KDE, which kept
> on re-appearing even if correct username/ password was entered
> Quite obviously, KDE failed to create the orbit dir of user or
> dbus links of KDE failed.
>
> So I reset things to  normal by re-creating the /var/tmp after
> logging in from console (ofcourse,  I needed to chmod /var/tmp
> to 1777 to get things back  to normal, which I learnt the hard
> way ;-)
>
> But this  kept me wondering  why a soft  link to /tmp  did not
> work. And why two dirs for temporary files ?
>
> Bish
>
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