Quick Tip

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

Challenge: When running commands or scripts, you often encounter both standard output (stdout) and standard error (stderr) messages. Sometimes, you want to capture all of this output into a single log file for easier analysis or debugging.

The Solution: Redirect both stdout and stderr to the same destination using the `2>&1` construct.

your_command > output.log 2>&1

Why it works: The `>` operator redirects stdout (file descriptor 1) to `output.log`. The `2>&1` then tells the shell to redirect stderr (file descriptor 2) to the same place stdout is currently going (which is `output.log`).

Pro-Tip: You can also use this with `tee` to see the output on your screen *and* save it to a file: your_command 2>&1 | tee output.log

Linux Tips & Tricks | © ngelinux.com | 6/5/2026