Copy-ready commandfree — Basic Usage
free -hRequirements and permissions
- Requirements
- Linux with the referenced utility installed
- Permissions
- Use sudo or root only when required
- Last reviewed
- 2026-07-31
Examples
Basic Usage
Use free for a standard administrative task.
free -hOriginal command
Display memory usage.
free -hCommon errors
Command not found
Confirm Linux with the referenced utility installed is installed and available in your current shell.