pstree is a powerful and useful command for displaying running processes in Linux. Like its companion ps, it shows all running processes currently active on your logged-in system. The main difference ...

ps j 86631 PPID PID PGID SID TTY TPGID STAT UID TIME COMMAND 86624 86631 86631 86631 pts/0 93681 Ss 1000 0:00 bash The pstree command in Linux is a utility that displays running processes as a tree.

Kill all processes in the process tree, including the root process. For Linux, this uses ps -o pid --no-headers --ppid PID to find the parent pids of PID. For Darwin/OSX, this uses pgrep -P PID to ...