[kdetest@localhost ~]$ ps x                                                         [22/105]
    PID TTY      STAT   TIME COMMAND
 106318 pts/15   S      0:00 -bash
 106807 pts/15   R+     0:00 ps x
[kdetest@localhost ~]$ time echo foo
foo

real    0m0.000s
user    0m0.000s
sys     0m0.000s
[kdetest@localhost ~]$ time sleep 1

real    0m1.002s
user    0m0.001s
sys     0m0.001s
[kdetest@localhost ~]$ time /bin/echo foo
foo

real    0m0.001s
user    0m0.000s
sys     0m0.001s
[kdetest@localhost ~]$ zsh
[kdetest@localhost]~% time echo foo
foo
[kdetest@localhost]~% time sleep 1
sleep 1  0.00s user 0.00s system 0% cpu 1.002 total
[kdetest@localhost]~% ps x
    PID TTY      STAT   TIME COMMAND
 106318 pts/15   S      0:00 -bash
 106824 pts/15   S      0:00 zsh
 106853 pts/15   R+     0:00 ps x
[kdetest@localhost]~% echo $$
106824
[kdetest@localhost]~% time /bin/echo foo
foo
/bin/echo foo  0.00s user 0.00s system 84% cpu 0.002 total