Quick Tip

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

Challenge: When running commands that produce both standard output (stdout) and standard error (stderr), it can be difficult to manage and analyze the combined output, especially when redirecting to a file or piping to another command.

The Solution: Use the `2>&1` redirection operator to send stderr to the same destination as stdout.

your_command 2>&1 | your_next_command your_command &> output.log

Why it works: File descriptor 1 represents stdout, and file descriptor 2 represents stderr. The `2>&1` tells the shell to redirect file descriptor 2 to the current location of file descriptor 1. The `&>` is a shorthand for `2>&1` when redirecting to a file.

Pro-Tip: Use `|&` in Bash 4+ as a shorthand for `2>&1` when piping output. For example: `your_command |& another_command`

Linux Tips & Tricks | © ngelinux.com | 6/3/2026