free – Display amount of free and used memory in the system

commandline session

$free -m -c 10 -s 10
             total       used       free     shared    buffers     cached
Mem:          1948       1816        131          0        105        536
-/+ buffers/cache:       1175        773
Swap:         5706         19       5687

             total       used       free     shared    buffers     cached
Mem:          1948       1816        131          0        105        536
-/+ buffers/cache:       1175        773
Swap:         5706         19       5687

             total       used       free     shared    buffers     cached
Mem:          1948       1820        128          0        105        538
-/+ buffers/cache:       1176        772
Swap:         5706         19       5687

             total       used       free     shared    buffers     cached
Mem:          1948       1820        128          0        105        538
-/+ buffers/cache:       1176        772
Swap:         5706         19       5687

             total       used       free     shared    buffers     cached
Mem:          1948       1789        159          0         96        529
-/+ buffers/cache:       1163        785
Swap:         5706         20       5686

             total       used       free     shared    buffers     cached
Mem:          1948       1797        151          0         96        533
-/+ buffers/cache:       1167        780
Swap:         5706         20       5686

             total       used       free     shared    buffers     cached
Mem:          1948       1803        145          0         96        533
-/+ buffers/cache:       1173        775
Swap:         5706         20       5686

             total       used       free     shared    buffers     cached
Mem:          1948       1791        157          0         95        526
-/+ buffers/cache:       1168        780
Swap:         5706         20       5686

             total       used       free     shared    buffers     cached
Mem:          1948       1790        158          0         95        526
-/+ buffers/cache:       1167        780
Swap:         5706         20       5686

             total       used       free     shared    buffers     cached
Mem:          1948       1792        156          0         95        527
-/+ buffers/cache:       1168        780
Swap:         5706         20       5686
$

$free -m -c 10 -s 3
             total       used       free     shared    buffers     cached
Mem:          1948       1778        170          0         88        531
-/+ buffers/cache:       1158        790
Swap:         5706         21       5685

             total       used       free     shared    buffers     cached
Mem:          1948       1778        169          0         88        532
-/+ buffers/cache:       1158        790
Swap:         5706         21       5685

             total       used       free     shared    buffers     cached
Mem:          1948       1778        170          0         88        531
-/+ buffers/cache:       1158        790
Swap:         5706         21       5685

             total       used       free     shared    buffers     cached
Mem:          1948       1781        167          0         88        532
-/+ buffers/cache:       1160        788
Swap:         5706         21       5685

             total       used       free     shared    buffers     cached
Mem:          1948       1781        167          0         88        531
-/+ buffers/cache:       1160        788
Swap:         5706         21       5685

             total       used       free     shared    buffers     cached
Mem:          1948       1781        167          0         88        531
-/+ buffers/cache:       1160        788
Swap:         5706         21       5685

             total       used       free     shared    buffers     cached
Mem:          1948       1681        266          0         88        529
-/+ buffers/cache:       1063        885
Swap:         5706         21       5685

             total       used       free     shared    buffers     cached
Mem:          1948       1683        2100          0         88        533
-/+ buffers/cache:       1061        887
Swap:         5706         21       5685

             total       used       free     shared    buffers     cached
Mem:          1948       1703        244          0         88        533
-/+ buffers/cache:       1081        867
Swap:         5706         21       5685

             total       used       free     shared    buffers     cached
Mem:          1948       1710        238          0         88        534
-/+ buffers/cache:       1086        862
Swap:         5706         21       5685
$

STITCHED TO ANOTHER free

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