how to get all parent processes and all subprocesses by `pstree`

Question

command pstree PID can show all subprocess information of the process specified by PID. However, I also want to know all parent process information of

Answer 1

I found laps options mentioned by @haridsv (pstree -laps ) being a solution. It was a bit verbose for me though, so I'd stick to a shorter aps output.