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Re: /dev/shm



On Tue, 2002-02-05 at 22:54, kpc wrote:
> Does anyone know how or why this has occurred?
> 
> 
> [garden tabatha garden]$ df
> Filesystem           1k-blocks      Used Available Use% Mounted on
> /dev/hda6              4332624    246820   3865716   7% /
> /dev/hda1                31079      5167     24308  18% /boot
> /dev/hda5             15124868   1195060  13161504   9% /usr
> none                     63056         0     63056   0% /dev/shm
> [garden tabatha garden]$ file /dev/shm
> /dev/shm: sticky directory
> [garden tabatha garden]$ cd /dev/shm
> [garden tabatha shm]$ ls -la
> total 84
> drwxrwxrwt    2 root     root            0 Jan 29 03:01 .
> drwxr-xr-x   17 root     root        81920 Jan 29 03:01 ..
> [garden tabatha shm]$
> 
> 
> 
> 
> The /dev/shm is what I am referring to.
> 
> I have looked on the web but cannot find too much info on this. Thanks.

It is a shared memory virual directory I belive.  IIUC it allows
interprocess memory sharing for variables and the like.  I have not had
time to dig into ti and am hoping someone will step in and set me
straight or at least point to relevent docs.

man -k /dev/shm # no hits
man -k shared  # only the low level system call stuff and bunch of tcl
function calls.

Bret 





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