wts diff btwen linux native or etx2 ..welll i think both r same but coonfusion is does both have the partition id = 83
i mean does linuxnative..ext2 or ext 3 have same ID

problem took place when i was installing the rh 7.3 after installing 7.1
it says that swap already exists .....it was not letting me go forward with out formating the swap partiton..........
i first wanted to make the seprate swap for 7.3 then i planed to use the same swap of 7.1

another q? is wt the other use of the swap other than virtaull memory...swapping..temp caching...kind of temp ram....................io think when i reboot then swap initializes from start its a kind of volatile partition
does the 7.1 and 7.3 have different swap allocation table ....wts the reason 7.3 was insisting me to fromat it under 7.3?????????

Linux native == Ext2 (usually). Ext3 is Ext2 with journalling. And it's the same type.

Swap is not a "normal" filesystem. When you formatted it for 7.3, you still can use it with 7.1. It was the installer that asked you to format the partition. You don't need to, in fact.

but it was not letting me go further with out formating it??y it 7.3wasasking me to format again although it hadbeen formatted at 7.1 instalation??

There's no risk in formatting swap partition, even if it's already used. Maybe that's why the installer didn't let you go. I don't know. I don't see any reason.