ps -wwaux
kill -HUP聽 pid聽 (restart on process)
kill -9 pid
聽聽聽聽聽1聽聽聽聽聽聽聽HUP聽(hang聽up)
聽聽聽聽聽2聽聽聽聽聽聽聽INT聽(interrupt)
聽聽聽聽聽3聽聽聽聽聽聽聽QUIT聽(quit)
聽聽聽聽聽6聽聽聽聽聽聽聽ABRT聽(abort)
聽聽聽聽聽9聽聽聽聽聽聽聽KILL聽(non-catchable,聽non-ignorable聽kill)
聽聽聽聽聽14聽聽聽聽聽聽ALRM聽(alarm聽clock)
聽聽聽聽聽15聽聽聽聽聽聽TERM聽(software聽termination聽signal)