sha256sum — Measure execution timeIT technician command center
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Linux · Linux and Bash

sha256sum — Measure execution time

Measure the command execution time. Base task: Calculate a SHA-256 checksum.

Copy-ready commandsha256sum — Measure execution time
time sha256sum installer.iso

Requirements and permissions

Requirements
Linux with the referenced utility installed
Permissions
Use sudo or root only when required
Last reviewed
2026-08-01

Examples

Measure execution time

Measure the command execution time.

time sha256sum installer.iso

Common errors

Command or option not supported

Confirm the installed platform version supports the base command and the added output or wrapper option.

Access denied or insufficient privileges

Run with the administrative role or delegated permission required by the underlying command.