You could also use time(1), the command, not the shell built-in: $ env time -l echo
0.00 real 0.01 user 0.00 sys 552 maximum resident set size 0 average shared memory size 0 average unshared data size 0 average unshared stack size 51 minor page faults 15 major page faults 0 swaps 4 block input operations 0 block output operations 0 messages sent 0 messages received 0 signals received 4 voluntary context switches 0 involuntary context switches $ On Fri, Mar 17, 2017 at 10:13 AM, Manuel Solis <solis.man...@gmail.com> wrote: > Hello again!! > > > Yes, indeed systat and vmstat are a good options too. > > Mihai Popescu, > > Please try one of these examples and see if they show you the information > you are looking for: > > suggestion1: $ top |head -n5| tail -n1 > suggestion2: $ vmstat -s|more > suggestion3: $ vmstat -m|more > suggestion4: $ systat > > I hope this information will help :) > > Manuel > > > On Fri, Mar 17, 2017 at 9:19 AM, Edgar Pettijohn <ed...@pettijohn-web.com> > wrote: > >> . >> >> > On Mar 17, 2017, at 9:21 AM, Manuel Solis <solis.man...@gmail.com> >> wrote: >> > >> > Hello, >> > >> >> El 17/03/2017, a las 05:04, Mihai Popescu <mih...@gmail.com> escribió: >> >> >> >> Hello, >> >> >> >> I am using top to show running programs activity on an OpenBSD system. >> >> >> >> Is there another better command to show in detail the memory used by >> > programs? >> > >> > Top is really a good command, you should see de man page for more >> options. >> > >> >> >> >> My system has 8GB physical RAM. Looking at this, can someone tell me >> >> if OpenBSD uses the "swap memory" model used by other OSes, basically >> >> moving chunks from physical memory to the swap partition when they are >> >> not used? >> > >> > Yes it does, you could use the #disklabel <disk> command to see it >> >> >> >> If a program ask for a memory allocation, is this request satisfied >> >> imediately if there is enough physical RAM available or is it done at >> >> the moment the program needs to do read/write on that memory? >> >> >> >> Expanding the first question, is there a command to show all these >> >> details, like total memory used, static and dynamic, how much is >> >> physical or swap, etc? >> >> >> > top is the command that you are looking for :) >> > >> > >> >> Thank you. >> >> >> > >> > I hope that information is useful for your needs, i recommend you to >> look at >> > the Faq page >> > https://www.openbsd.org/faq/index.html >> > <https://www.openbsd.org/faq/index.html> >> > they really did a great job explaining everything and most of what it >> has are >> > practical examples, if you need expanded theory then you should get the >> book >> > Absolute OpenBSD - By Michael W Lucas, it helped me a lot. >> > http://www.nostarch.com/obenbsd2e <http://www.nostarch.com/obenbsd2e> >> > >> > Best reggards!!!!!!! >> > >> > Manuel >> >> I think systat or vmstat may be helpful. >> > > > > -- > Ing. Manuel Solís Agüero > Corporativo Los Solises > Cel: (871) 108 6000 > Tel: (871) 721 6303