fixed ctrl-a beginning of line with tmux and disabled annoying mouse support. added some bash aliases, updated toprc

tmux/.tmux.conf

@@ -7,11 +7,12 @@ set -s escape-time 0
 #history limit
 set-option -g history-limit 5000
 
-#change C-b to Ca
+#change default mapping
 unbind C-b
 set-option -g prefix C-a
-#bind-key C-t send-prefix
 bind-key -n C-s send-prefix
+# allows "ctrl-a, a" to go to beginning of line like default bash ctrl-a
+bind-key a send-prefix
 
 # split panes using | and -
 bind | split-window -h -c '#{pane_current_path}'
@@ -37,6 +38,13 @@ bind-key -n C-PageDown copy-mode
 bind-key -T copy-mode C-PageUp send-keys -X page-up
 bind-key -T copy-mode C-PageDown send-keys -X page-down
 
+# switch in/out nested tmux with shift+up/down
+bind -n S-up \
+    set -qg status-bg color7 \; \
+    set -qg prefix C-b
+bind -n S-down \
+    set -qg status-bg color0 \; \
+    set -qg prefix C-a
 
 #join window
 bind-key @ command-prompt -p "create pane from:" "join-pane -s ':%%'"