Quick Tip

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

Challenge: When running commands or scripts that produce both standard output (stdout) and error output (stderr), it can be difficult to manage and analyze them when they’re displayed separately on the terminal. This is especially true when redirecting output to a file.

The Solution: Use the shell redirection operator 2>&1 to send standard error to the same destination as standard output.

your_command > output.log 2>&1

Why it works: File descriptor 1 is typically stdout, and file descriptor 2 is stderr. The command 2>&1 tells the shell to redirect file descriptor 2 (stderr) to wherever file descriptor 1 (stdout) is currently pointing. In this case, both go into output.log.

Pro-Tip: To discard both stdout and stderr, you can redirect them to the null device: your_command > /dev/null 2>&1.

Linux Tips & Tricks | © ngelinux.com | 6/28/2026