curl — Basic UsageIT technician command center
Linux · Linux and Bash

curl — Basic Usage

Use curl for a standard administrative task.

Copy-ready commandcurl — Basic Usage
curl -I https://example.com

Requirements 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 curl for a standard administrative task.

curl -I https://example.com

Original command

Fetch HTTP response headers.

curl -I https://example.com

Common errors

Command not found

Confirm Linux with the referenced utility installed is installed and available in your current shell.