$ sar -r SunOS venus 5.7 Generic sun4m 06/17/98 00:00:01 freemem freeswap 01:00:01 4184 320108 02:00:01 4181 320120 03:00:00 4048 320077 04:00:01 3918 320144 05:00:01 3917 320131 06:00:01 3902 320103 07:00:01 3898 320113 08:00:01 3897 320124 08:20:01 3891 319641 08:40:00 3894 320036 09:00:01 3898 320214 09:20:00 3463 334610 09:40:00 436 332371 10:00:02 337 329243 10:20:02 1610 326295 10:40:00 533 326078 Average 3559 321601