diff --git a/HowtoZFS.page b/HowtoZFS.page
index c1245e0..a69b871 100644
--- a/HowtoZFS.page
+++ b/HowtoZFS.page
@@ -5,9 +5,12 @@ apt install zfsutils-linux
 zpool create local /dev/xxx
 zpool list
 zfs create local/home
-zfs set compression=lz4 local/home
 zfs list
+zfs set compression=lz4 local/home
 zfs get compression
+zfs get compressratio local/home
+zfs set dedup=on local/home
+zpool get dedupratio local/home
 zfs set mountpoint=/home local/home
 zfs set sharenfs="rw=@10.0.1.0/24" local/home
 zfs share local/home