From 7c383751e1ff8c0e0712824d5be124f30d8e23f4 Mon Sep 17 00:00:00 2001
From: michele <michele@frontdam.com>
Date: Thu, 20 Mar 2014 13:51:04 +0100
Subject: [PATCH] add example of destroying all system data

---
 README.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/README.md b/README.md
index e0a53f6..7e1984d 100644
--- a/README.md
+++ b/README.md
@@ -215,6 +215,13 @@ tested for a number of scenarios, and used in a number of servers.
 Because of the inherently partial nature of testing, you are aware that this
 brings no guarantees that it'll work for your scenario.
 
+Careful yourself when working with ZFS snapshots! Check this out:
+
+    zfs destroy -r zroot@mysnap     # destroy snapshot 'mysnap' from pool 'zroot'
+    zfs destroy -r zroot#mysnap     # destroy all system data, and comment it's 'mysnap'
+    # notice that # and @ are next to each other on most keyboards.
+    # Sun made a poor choice, or they are adrenaline junkies.
+
 ## License
 
 Copyright (c) 2014-present, Michele Mazzucchi