diff --git a/backup.sh b/backup.sh
index 0cb78ce..8072b4d 100755
--- a/backup.sh
+++ b/backup.sh
@@ -60,31 +60,31 @@ setup_mirror()
 create_snapshot()
 {
     id="`date -I`-`date +%s`"
-    echo zfs snapshot -r ${BAKRNG_ROOT}@${id}
+    zfs snapshot -r ${BAKRNG_ROOT}@${id}
 }
 
 send_single_snapshot()
 {
     BAKRNG_SEND_SNAPSHOT=`get_latest_snapshot`
     while read BAKRNG_REMOTE_ADDR BAKRNG_REMOTE_PORT BAKRNG_REMOTE_ROOT; do
-        echo "zfs send -R ${BAKRNG_ROOT}@${BAKRNG_SEND_SNAPSHOT} |
+        zfs send -R ${BAKRNG_ROOT}@${BAKRNG_SEND_SNAPSHOT} |
             ssh -i ~/.ssh/id_rsa \
             -o port=${BAKRNG_REMOTE_PORT} ${BAKRNG_REMOTE_ADDR} \
-            zfs receive -dvu ${BAKRNG_REMOTE_ROOT}@${BAKRNG_SEND_SNAPSHOT}"
+            zfs receive -dvu ${BAKRNG_REMOTE_ROOT}@${BAKRNG_SEND_SNAPSHOT}
     done
-    # echo $BAKRNG_SEND_SNAPSHOT > "last-snapshot.txt"
+    echo $BAKRNG_SEND_SNAPSHOT > "last-snapshot.txt"
 }
 
 send_incremental_snapshop()
 {
     BAKRNG_SEND_SNAPSHOT=`get_latest_snapshot`
     while read BAKRNG_REMOTE_ADDR BAKRNG_REMOTE_PORT BAKRNG_REMOTE_ROOT; do
-        echo "zfs send -R -i `cat last-snapshot.txt` \
+        zfs send -R -i `cat last-snapshot.txt` \
             ${BAKRNG_ROOT}@${BAKRNG_SEND_SNAPSHOT} | ssh -i ~/.ssh/id_rsa \
             -o port=${BAKRNG_REMOTE_PORT} ${BAKRNG_REMOTE_ADDR} \
-            zfs receive -dvu ${BAKRNG_REMOTE_ROOT}@${BAKRNG_SEND_SNAPSHOT}"
+            zfs receive -dvu ${BAKRNG_REMOTE_ROOT}@${BAKRNG_SEND_SNAPSHOT}
     done
-    # echo $BAKRNG_SEND_SNAPSHOT > "last-snapshot.txt"
+    echo $BAKRNG_SEND_SNAPSHOT > "last-snapshot.txt"
 }