Ninad Purohit writes:
often i see that my memory 256(preciously little) Mb is 100% utilized and my swap 512 Mb(abundantly available) is not utilized at all
You should be happy then. The response time will be better. Linux will use the rest of the memory as cache (which explains the fast response).
Vinayak Hegde APGDST Student NCST-JUHU