diff --git a/bash/alias/bash.sh b/bash/alias/bash.sh
index 40500cc..f363670 100644
--- a/bash/alias/bash.sh
+++ b/bash/alias/bash.sh
@@ -10,6 +10,11 @@ cd \
 ../.. \
 "
 
+# shorten alias
+alias a="\
+alias \
+"
+
 # swap directory (current ↔ previous)
 alias sd="\
 cd \