Add existing scripts

common.v1.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+# Inform the user of the output they can expect.
+
+echo "common commands:"
+
+
+# Show the most commonly used commands
+tail ~/.bash_history -n 1000 \
+    | sort \
+    | uniq -c \
+    | sed 's/^ *//' \
+    | sort -n -r \
+    | head -n 10