On 6/21/07, balajisundar at midascomm.com <balajisundar at midascomm.com> wrote: > We have observed the exe file size getting changed during run time > of the system in CentOS. Yep. that's normal. > We are not sure why this is happening. Can some one throw light on this. Prelink. Basically there's a cron job that runs weekly, which optimizes binaries to load faster. It will change md5sums on the binaries it modifies. You can alter this behavior if you wish by setting parameters in /etc/sysconfig/prelink. -- During times of universal deceit, telling the truth becomes a revolutionary act. George Orwell