From 602e8187a41de56cd0e7aa5a8206aad35042815d Mon Sep 17 00:00:00 2001
From: zlbabe <31076777+zlbabe@users.noreply.github.com>
Date: Mon, 15 Jan 2018 22:36:37 +0100
Subject: [PATCH] ps: get the parent pid

---
 pages/common/ps.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pages/common/ps.md b/pages/common/ps.md
index f6c5e4f7c6..d912051808 100644
--- a/pages/common/ps.md
+++ b/pages/common/ps.md
@@ -21,3 +21,7 @@
 - List all processes of the current user as a tree:
 
 `ps --user $(id -u) f`
+
+- Get the parent pid of a process
+
+`ps -o ppid= -p {{pid}}`