TMUX as default shell at login (with re-attach)

root@server:/etc/profile.d# cat tmux.sh

# Automatically start tmux or attach old session

[ "$TMUXFLAG" == "on" ] && [ -z $TMUX ] && [ "$TERM" != "dumb" ] && exec tmux new -A -s default

root@server# grep TMUX /etc/sudoers

Defaults        env_keep += "TMUX"

root@server# grep ward-word /etc/inputrc

"\eOD": backward-word

"\eOC": forward-word

mico@client ~

$ grep TMUX .ssh/*

.ssh/config:    SetEnv TMUXFLAG="on"