hdparm

Additional Notes

hdparm is a disk and filesystem command used to view or tune hard disk parameters. It reports disk geometry, cache settings, and power management features. Use -t and -T for simple read-speed benchmarks.

Syntax

hdparm [options] [device-or-path]

Parameters

• options: Flags that change how hdparm behaves.
• device: Disk, partition, volume, or filesystem path to inspect or modify.
• target: Mount point, file, or storage object used by the operation.

Common Options

• --help: Show command help when supported.
• --version: Show version information when supported.

Examples

hdparm --help
man hdparm

Practical Notes

Options can vary by distribution and package version. Use man hdparm, hdparm --help, or the package documentation for exact syntax.