11:53am  up 41 days,  1:25,  1 user,  load average: 0.00, 0.00, 0.00
USER     TTY      FROM              LOGIN@   IDLE   JCPU   PCPU  WHAT
root     pts/0    192.168.11.111   10:30am  0.00s  0.12s  0.00s  w 

$ w

USER       PID %CPU %MEM   VSZ  RSS TTY      STAT START   TIME COMMAND
root         1  0.0  0.0  1372  444 ?        S    Jan28   0:23 init [3]

$ ps ux | less

 11:55am  up 41 days,  1:27,  1 user,  load average: 0.00, 0.00, 0.00
58 processes: 57 sleeping, 1 running, 0 zombie, 0 stopped
CPU0 states:  0.0% user,  0.0% system,  0.0% nice, 100.0% idle
CPU1 states:  0.0% user,  0.1% system,  0.0% nice, 99.4% idle
Mem:  2069268K av,  978540K used, 1090728K free,       0K shrd,   83548K buff
Swap: 2040244K av,    3108K used, 2037136K free                  488724K cached

  PID USER     PRI  NI  SIZE  RSS SHARE STAT %CPU %MEM   TIME COMMAND
 3451 root      15   0  1040 1040   844 R     0.2  0.0   0:00 top

$ top

             total       used       free     shared    buffers     cached
Mem:       2069268     984276    1084992          0      83904     494168
-/+ buffers/cache:     406204    1663064
Swap:      2040244       3108    2037136

$ free

Linux tux 2.4.25 #2 SMP Wed Mar 10 11:36:58 HKT 2004 i686 unknown

$ uname -a