free
Command Function
This command is used to display the memory usage in the system.
Syntax
free [-b | -k | -m | -g | -t]
Parameters
Table 1 Parameter description
Usage
None
Example
Run free, free -k, and free -m, respectively.
Output
OHOS:/$ free
total used free shared buffers
Mem: 2819652 2754468 65184 0 0
-/+ buffers/cache: 2754468 65184
Swap: 0 0 0
OHOS:/$ free -k
total used free shared buffers
Mem: 2753 2692 60 0 0
-/+ buffers/cache: 2692 60
Swap: 0 0 0
OHOS:/$ free -m
total used free shared buffers
Mem: 2 2 0 0 0
-/+ buffers/cache: 2 0
Swap: 0 0 0
Table 2 Output