Originally Posted by virendra

use the command

[root@viren ~]# free -m
total used free shared buffers cached
Mem: 248 232 15 0 80 111
-/+ buffers/cache: 40 208
Swap: 572 0 572

as it show i have only 15 left in RAM to start a new process

so disable unwanted services in ntsysv

and enjoy fast machine