diff --git a/cooler_adduser.sh b/cooler_adduser.sh
new file mode 100755
index 0000000..06d6390
--- /dev/null
+++ b/cooler_adduser.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+CMD=$(which useradd)
+
+for USER in "$@"; do
+  $CMD -m $USER
+  echo "$USER:$USER" | chpasswd
+done
diff --git a/recordbandwidth b/recordbandwidth
new file mode 100755
index 0000000..8b72bd1
--- /dev/null
+++ b/recordbandwidth
@@ -0,0 +1,10 @@
+#!/bin/sh
+init="$(($(cat /sys/class/net/[ew]*/statistics/rx_bytes | paste -sd '+')))"
+
+printf "Recording bandwidth. Press enter to stop."
+
+read -r wait
+
+fin="$(($(cat /sys/class/net/[ew]*/statistics/rx_bytes | paste -sd '+')))"
+
+printf "%4sB of bandwidth used.\\n" $(numfmt --to=iec $(($fin-$init)))
diff --git a/replace_spaces b/replace_spaces
new file mode 100755
index 0000000..0a4e6e8
--- /dev/null
+++ b/replace_spaces
@@ -0,0 +1,2 @@
+#!/bin/bash
+for file in *; do mv "$file" `echo $file | tr ' ' '_'` ; done