diff --git a/fish/functions/sudo.fish b/fish/functions/sudo.fish
new file mode 100644
index 0000000..726ec57
--- /dev/null
+++ b/fish/functions/sudo.fish
@@ -0,0 +1,8 @@
+function sudo --description "Reemplazo del comando 'sudo !!' de Bash para ejecutar el último comando usando sudo."
+    if test "$argv" = !!
+        echo sudo $history[1]
+        eval command sudo $history[1]
+    else
+        command sudo $argv
+    end
+end