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 them together, especially when scripting or redirecting output to files.

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

command_that_outputs_both > output.log 2>&1

Why it works: File descriptor `1` represents stdout, and `2` represents stderr. `> output.log` redirects stdout to the file, and `2>&1` redirects file descriptor 2 (stderr) to the same location as file descriptor 1 (stdout).

Pro-Tip: You can also use this to discard both streams by redirecting to `/dev/null`: command > /dev/null 2>&1

Linux Tips & Tricks | © ngelinux.com | 5/22/2026