Add sessions

README.md

@@ -26,6 +26,14 @@ tmux
 - `Alt`: Alt key
 - `Ctrl-a`: type `a` while holding `Ctrl`
 
+# Sessions
+
+from shell prompt
+
+- `tmux ls`: list sessions
+- `tmux attach -t <num> or <name>`: attach to session `num` or `name`
+-  `tmux rename-session` [-t current-name] [new-name]
+
 
 # Keystrokes