Quick Tip

Taming Terminal Noise: Redirecting `stderr` with `2>&1`

Challenge: You’re running a command that produces both standard output and error messages, and you want to capture or process them together, especially for logging or redirection.

The Solution: Use the `2>&1` redirection to send standard error (stderr) to the same destination as standard output (stdout).

your_command_here 2>&1 | less

Why it works: File descriptor 1 (stdout) and file descriptor 2 (stderr) are separate. By using `2>&1`, you’re telling the shell to redirect stderr to wherever stdout is currently pointing. This is incredibly useful for piping the output of commands to tools like `grep`, `less`, or a log file.

Pro-Tip: To redirect only stderr to a file and stdout to a different file, you can use `your_command_here > stdout.log 2> stderr.log`.

Linux Tips & Tricks | © ngelinux.com | 5/11/2026