On 24/10/2013 13:29, Kaushal Shriyan wrote: > On Thu, Oct 24, 2013 at 4:53 PM, Giles Coochey <giles at coochey.net> wrote: > >> On 24/10/2013 12:20, Kaushal Shriyan wrote: >> >>> Hi, >>> >>> I am running CentOS 6.4 on a remote server. when i run the below command, >>> it prints out the headers too. is there a way to remove headers using the >>> below command line >>> >>> *top -b -p 22657 > topcpu.txt* >>> >>> Perhaps the 'ps' command in a sleep 3 loop is more suited for what >> you're looking for? >> >> > Hi Giles, > > Thanks for the quick reply. Any example for ps command as per your advice? > > Regards, > > Kaushal > > If you're looking for CPU usage examine the output of: ps -p 22657 --no-headers -o "%C" If that is what you're looking for then stick it in a bash script loop that repeats the command at your required frequency (hint: use "sleep" to pause a few seconds and check the ps manual page for other output (e.g. memory usage) that you might also want. -- Regards, Giles Coochey, CCNP, CCNA, CCNAS NetSecSpec Ltd +44 (0) 8444 780677 +44 (0) 7983 877438 http://www.coochey.net http://www.netsecspec.co.uk giles at coochey.net