diff --git a/README.md b/README.md
index a0a66a2..5be2b0e 100644
--- a/README.md
+++ b/README.md
@@ -19,3 +19,14 @@ The repository consists of the following directories:
   these are basically what goes in `.bashrc`, split in different files.  Files
   in this directory are automatically sourced at shell startup in alphabetic
   order.
+
+## Setup
+
+To install:
+
+```bash
+mkdir -p ~/system
+git clone https://github.com/albertodonato/bash.d ~/system/bash.d
+mv ~/.bashrc ~/.bashrc.orig
+ln -sf system/bash.d/bashrc ~/.bashrc
+```
diff --git a/rc.d/200-alias.sh b/rc.d/200-alias.sh
index 609dd1e..8ad1388 100644
--- a/rc.d/200-alias.sh
+++ b/rc.d/200-alias.sh
@@ -22,6 +22,8 @@ pytree() {
     find "$1" -not -regex '.*__pycache__.*' | tree --fromfile
 }
 
+alias dds="dd status=progress oflag=sync"
+
 # shellcheck disable=SC2142
 alias diffcount="diffstat -s | awk -F, '{ gsub(/[^0-9,]/, \"\"); print \$2+\$3; }'"