Quick Tip

Tame Terminal Noise: Unified Logging with `2>&1`

Challenge: When running commands or scripts, error messages (stderr) and standard output (stdout) are often interleaved or sent to different destinations, making it difficult to capture and analyze all output consistently, especially in logs.

The Solution: Redirect both standard error and standard output to a single stream using the `2>&1` redirection operator.

your_command &> output.log # Or, more explicitly: your_command > output.log 2>&1

Why it works: File descriptor 1 represents stdout, and file descriptor 2 represents stderr. The `&>` operator is a shorthand for redirecting both to a file. `> output.log 2>&1` first redirects stdout to `output.log`, then redirects stderr (file descriptor 2) to wherever stdout (file descriptor 1) is currently pointing, effectively merging them.

Pro-Tip: You can also use `| tee output.log` to both display the output on the terminal and save it to a file simultaneously.

Linux Tips & Tricks | © ngelinux.com | 6/12/2026