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Old 10-25-2009
shipon_97 shipon_97 is offline
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Join Date: Mar 2009
Posts: 40
about shared memory space in Linux !

Dear Friends ,

I am confused about shared memory in Linux . plz look @ the below output :

[oracle@report ~]$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 126G 61G 59G 52% /
tmpfs 1.7G 0 1.7G 0% /dev/shm

Here , I see that every time Redhat Linux occupied some space (here 1.7 GB) for shared memory . Would u plz tell me , why this shared memory is used .

1) Is this area only for oracle instance or others ?
2) If I dont need this space , can I manually remove this space ?
3) Is this shared memory resides only Linux o/s or other also other unix o/s version ?

Plz explain ... ...
 

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