My tmux config file

.tmux.conf

set-option -g xterm-keys on

set -g default-terminal "xterm"

# Set bar to the top
set-option -g status-position top

# Keep window name
set-option -g allow-rename off
# ----------------------
# Status Bar
# -----------------------
set-option -g status on                # turn the status bar on
set -g status-interval 5               # set update frequencey (default 15 seconds)
set -g status-justify centre           # center window list for clarity

# visual notification of activity in other windows
setw -g monitor-activity on
set -g visual-activity on

bind \ split-window -h -c '#{pane_current_path}'
bind - split-window -v -c '#{pane_current_path}'

unbind C-b
set -g prefix C-a
bind C-a send-prefix

bind j resize-pane -D 10
bind k resize-pane -U 10
bind l resize-pane -L 10
bind h resize-pane -R 10

bind '"' split-window -c "#{pane_current_path}"
bind % split-window -h -c "#{pane_current_path}"
bind c new-window -c "#{pane_current_path}"

set -g default-terminal "screen-256color"
set-window-option -g xterm-keys on

set -g base-index 1
set -g pane-base-index 1

set -g default-shell $SHELL
set -g default-command "reattach-to-user-namespace -l ${SHELL}"

# Vim 0 ESC delay
set -s escape-time 0

set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-cpu'
set -g @plugin 'odedlaz/tmux-onedark-theme'
set -g @onedark_widgets '#{cpu_percentage}'

run '~/.tmux/plugins/tpm/tpm'