Bash Redirection
stdout -> Redirection File
programm > file.txt
stderr -> Redirection File
programm 2> file.txt
stdout AND stderr -> Redirection File
programm &> file.txt
stdout -> stderr
programm 1>&2
stderr -> stdout
programm 2>&1
programm > file.txt
programm 2> file.txt
programm &> file.txt
programm 1>&2
programm 2>&1