tee Help and Syntax — Display and save output | Linux Command

Copy-ready commandtee Help and Syntax — Display and save output

echo --help 2>&1 | tee command-results.txt

Production warning

Help and syntax commands are generally read-only. The original command shown for context may change systems or data; review it before execution.

Requirements and permissions

Requirements: Linux with the referenced utility installed
Permissions: No elevated permissions are normally required to view help; local policy and shell access still apply.
Last reviewed: 2026-08-01

Display output while saving it to a file.

echo --help 2>&1 | tee command-results.txt

Command or option not supported

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Access denied or insufficient privileges

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