Thank You for Your time and answer, Raf: >> Now, after suspending/resuming I see that nothing was done: after >> resuming top shows me the same data about the process as it was >> before suspending. >> >> What can be wrong? Any suggestions, please. > >What if happens you run it manually? It was the permission problem - I did not set it to be executable. Now it seems to work. Thanks, Raf, again, for the point.