diff --git a/awk_sed.md b/awk_sed.md
new file mode 100644
index 0000000..c4db186
--- /dev/null
+++ b/awk_sed.md
@@ -0,0 +1,9 @@
+### AWK and SED Tips and tricks
+
+## AWK
+
+# Calculate total or average
+
+```sh
+awk '{sum+=$1; n++} END {print sum / n}'
+```
\ No newline at end of file