free Command Examples

Display amount of free and used memory in the system. More information: https://manned.org/free.

• Display system memory:

free

• Display memory in Bytes/KB/MB/GB:

free -{{b|k|m|g}}

• Display memory in human-readable units:

free {{[-h|--human]}}

• Refresh the output every 2 seconds:

free {{[-s|--seconds]}} {{2}}