Linux I/O redirection

linux-io-redirect.md

Redirect both stdout and stderr to a file

cmd &>out.txt

Redirect stderr to a file

cmd > out.txt 2>error.txt

Redirect stderr to stdout (&1), and then redirect stdout to a file

cmd >out.txt 2>&1

Redirect stderr to stdout (&1), and then dump them on terminal as well as to a file

cmd 2>&1 | tee out.txt

https://askubuntu.com/questions/420981/how-do-i-save-terminal-output-to-a-file