diff --git a/runtime/entrypoint.d/sttysize.sh b/runtime/entrypoint.d/sttysize.sh
new file mode 100755
index 00000000..95e92202
--- /dev/null
+++ b/runtime/entrypoint.d/sttysize.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+RC=${HOME}/.bashrc
+SNIPPET=/st2-docker/entrypoint.d/sttysize.snippet
+
+if ! grep -q sttysize ${RC}; then
+  echo >> ${RC}
+  echo "[ -r ${SNIPPET} ] && . ${SNIPPET}" >> ${RC}
+fi
diff --git a/runtime/entrypoint.d/sttysize.snippet b/runtime/entrypoint.d/sttysize.snippet
new file mode 100644
index 00000000..64161401
--- /dev/null
+++ b/runtime/entrypoint.d/sttysize.snippet
@@ -0,0 +1,17 @@
+# Ensure the entire terminal is used. This particular code comes from
+#  https://gist.github.com/scentoni/f4bda3a07cf7711125de3928f95809af
+
+res() {
+
+  old=$(stty -g)
+  stty raw -echo min 0 time 5
+
+  printf '\033[18t' > /dev/tty
+  IFS=';t' read -r _ rows cols _ < /dev/tty
+
+  stty "$old"
+
+  stty cols "$cols" rows "$rows"
+}
+
+res