Tame Terminal Noise: Unified Logging with `2>&1`
Quick Tip
Tame Terminal Noise: Unified Logging with `2>&1`
Challenge: When running commands or scripts that produce both standard output (stdout) and standard error (stderr), it’s often useful to capture all output in a single location, such as a log file, for easier analysis.
The Solution: Redirect both stdout and stderr to the same destination using the `2>&1` syntax.
your_command_here &> output.log # or your_command_here > 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 stdout and stderr. Alternatively, `>` redirects stdout to the specified file, and `2>&1` then redirects stderr (file descriptor 2) to the same place as stdout (file descriptor 1).
Pro-Tip: You can also use `tee` to both display output on the terminal and save it to a file simultaneously: `your_command_here 2>&1 | tee output.log`
Linux Tips & Tricks | © ngelinux.com | 6/5/2026
