.screenrc

# ~/.screenrc
# https://qiita.com/kamykn/items/9939b67e923dbb87f39c

# Character code
defutf8 on
defencoding utf8
encoding utf8 utf8

# Disable startup message & window flushing
startup_message off
vbell off

# Escape key
escape ^Zz

# Scroll setting
defscrollback 10000
termcapinfo xterm* ti@:te@  # Using mouse scroll

# Delete buffer
altscreen on

# Color
defbce on
term xterm-256color

# Status line
# hardstatus alwayslastline "%{= cd} %-w%{= dd} %n %t* %{-}%+w %= LoadAVG [%l] "  # fmfs server
hardstatus alwayslastline "%{= rd} %-w%{= kd} %n %t* %{-}%+w %= LoadAVG [%l] "  # JSS2

# Use default shell
shell -$SHELL

# Detouch
autodetach on

# X11 Forwarding setting
stuff 'echo "Existing DISPLAY =" $DISPLAY'
stuff 'dispnum=`echo $DISPLAY | sed -e s/localhost//`'
stuff 'export DISPLAY=$dispnum`'
stuff 'echo "New DISPLAY =" $DISPLAY`'

.tmux.conf

# ~/.tmux.conf

# Character code
set -g default-terminal "tmux-256color"

# Disable startup message
set -g display-panes-time 1000
set -g display-time 1000

# Escape key
set -g prefix C-z
unbind C-b
bind C-z send-prefix

# Scroll setting
set -g history-limit 10000

# Mouse scroll
set -g mouse on

# Delete buffer (alternative screen)
setw -g alternate-screen on

# Color
set -g default-terminal "tmux-256color"

# Status line
set -g status-bg red
set -g status-fg white
setw -g window-status-current-bg blue
setw -g window-status-current-fg white
setw -g window-status-current-format "#I #W*"
setw -g window-status-format "#I #W"

# Hardstatus line
set -g status-left ""
set -g status-right "LoadAVG [#(uptime | awk '{print \$10, \$11, \$12}')]" # Adjust this as per your system

# Use default shell
set-option -g default-shell $SHELL

# Autodetach
set -g detach-on-destroy on