>did you try:
># vmstat 1
login as: root
root@ora1's password:
Last login: Mon Dec 26 13:24:22 2005 from centavr.sskdc.ru
[root@ora1 root]# man vmstat
[root@ora1 root]# vmstat
procs memory swap io system cpu
r b swpd free buff cache si so bi bo in cs us sy wa id
0 0 0 18068 4744 1023680 0 0 12 38 62 55 1 0 1 98
[root@xxx root]# vmstat 1
procs memory swap io system cpu
r b swpd free buff cache si so bi bo in cs us sy wa id
0 0 0 18068 4752 1023680 0 0 12 38 62 55 1 0 1 98
0 0 0 18068 4752 1023680 0 0 0 0 118 26 2 3 0 95
0 0 0 18068 4752 1023680 0 0 0 96 129 72 2 0 0 98
0 0 0 18068 4752 1023708 0 0 16 96 134 78 0 1 1 98
0 0 0 18068 4760 1023708 0 0 0 52 116 34 0 0 0 100
0 0 0 18068 4760 1023708 0 0 0 96 126 69 0 0 0 100
0 0 0 18068 4760 1023708 0 0 0 24 116 33 0 0 0 100
0 0 0 18068 4760 1023708 0 0 0 0 114 18 0 0 0 100