free

Linux · System · available in the simulator

What it does

Displays amount of free and used memory in the system.

Syntax

free [opciones]

Options and parameters

• -h

  Displays all output fields automatically scaled to human-readable format.

  free -h
• -m

  Displays the amount of memory in megabytes.

• -g

  Displays the amount of memory in gigabytes.

• -s N

  refreshes every N seconds

• -s

  Continuously displays the result delayed by the specified seconds.

• -t

  Displays a line showing the column totals.

Usage examples

• free -h

Related commands

• apt-cache
• cal
• date
• df
• dpkg-deb
• dpkg-query