@box
             total       used       free     shared    buffers     cached
Mem:          3953       3832        121          0        140       3171
-/+ buffers/cache:        520       3432
Swap:         4095         38       4057
Total:        8049       3870       4178

@box1
# free -tm
             total       used       free     shared    buffers     cached
Mem:          3953       3017        935          0        249       1741
-/+ buffers/cache:       1027       2925
Swap:         4095         28       4067
Total:        8049       3045       5003