Tame Your Logs: Unified `stderr` and `stdout` with `2>&1`

Quick Tip

Tame Your Logs: Unified `stderr` and `stdout` with `2>&1`

Challenge: When running commands or scripts, you often want to capture both standard output (stdout) and standard error (stderr) into a single log file. This can be crucial for debugging or for creating comprehensive audit trails.

The Solution: Use shell redirection to combine both streams.

your_command &> your_log_file.log

Why it works: The `&>` operator is a shorthand that redirects both stdout (file descriptor 1) and stderr (file descriptor 2) to the specified file. This ensures that all output, including error messages, is captured in one place.

Pro-Tip: For more granular control or to append to an existing log file, you can use your_command > your_log_file.log 2>&1. The 2>&1 explicitly redirects stderr (2) to the same location as stdout (1).

Linux Tips & Tricks | © ngelinux.com | 6/6/2026

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