Display Linux System Memory
Free command used to check the used and available space of physical memory and swap memory in KB. See the command in action below.
$ free
total used free shared buff/cache available
Mem: 2043880 545924 573704 888 924252 1330060
Swap: 786428 46592 739836
$ free -m
total used free shared buff/cache available
Mem: 1995 538 555 0 902 1293
Swap: 767 45 722
-m is to display in MB.
$ free
total used free shared buff/cache available
Mem: 2043880 545924 573704 888 924252 1330060
Swap: 786428 46592 739836
$ free -m
total used free shared buff/cache available
Mem: 1995 538 555 0 902 1293
Swap: 767 45 722
-m is to display in MB.
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