diff --git a/fish/aliases.config.fish b/fish/aliases.config.fish
index efd5151..7e8e9d7 100644
--- a/fish/aliases.config.fish
+++ b/fish/aliases.config.fish
@@ -40,6 +40,18 @@ abbr -a egrep --position command "egrep --color=auto"
 
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
+# Combinations.
+
+function mkcd -d "Make a directory and CD into it"
+    mkdir "$argv" && cd "$argv"
+end
+
+function cdls -d "CD into a directory and list its contents"
+    cd "$argv" && ls
+end
+
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
 # eza.
 
 function ls --wraps eza
diff --git a/os/aliases.config.fish b/os/aliases.config.fish
index 6803958..6056e79 100644
--- a/os/aliases.config.fish
+++ b/os/aliases.config.fish
@@ -4,6 +4,10 @@ if [ "$(uname)" = Darwin ]
     abbr -a afk --position command "osascript -e 'tell application \"System Events\" to sleep'"
     abbr -a o --position command open
 
+    function trash -d "Move a file to the trash"
+        mv "$argv" ~/.Trash
+    end
+
 else if [ "$(uname)" = Linux ]
     abbr -a afk --position command "gnome-screensaver-command --lock"
     abbr -a o --position command xdg-open