Kill inactive shells after 5m

Unless we are in tmux

zshrc.org

@@ -96,7 +96,15 @@ The other two swap between build and src dirs on my local git checkout
 #+begin_src sh
 source ~/scripts/kde-utils.sh
 #+end_src
+*** Do not litter                                                   :daily:
+    #+begin_src sh
+      if [ "$TERM_PROGRAM" = tmux ]; then
+          # suppress tmout in tmux
+      else
+          TMOUT=300
+      fi
 
+    #+end_src
 *** Android helpers                                                 :daily:
 
 These are various helpers to drive my current Android phone when connected to the box.