diff --git a/zsh/functions.zsh b/zsh/functions.zsh
new file mode 100644
index 0000000..aa8fc05
--- /dev/null
+++ b/zsh/functions.zsh
@@ -0,0 +1,10 @@
+function colours() {
+    for i in {0..255}; do
+        printf "\x1b[38;5;${i}mcolours${i}"
+        if (( $i % 5 == 0 )); then
+            printf "\n"
+        else
+            printf "\t"
+        fi
+    done
+}
diff --git a/zsh/zshrc.symlink b/zsh/zshrc.symlink
index 0ee59dc..46dad48 100644
--- a/zsh/zshrc.symlink
+++ b/zsh/zshrc.symlink
@@ -35,3 +35,5 @@ fi
 if [[ -d ~/bin ]]; then
     export PATH=~/bin:$PATH
 fi
+
+[ -z "$TMUX" ] && export TERM=xterm-256color