My ~/.tmux.conf

# Set Ctrl-a as the prefix key, similar to GNU Screen
set-option -g prefix C-a
unbind-key C-b

# Toggle between the last active window
bind-key C-a last-window
bind-key a send-prefix  # Allows sending a prefix as a literal character to the applications
bind-key A command-prompt "rename-window '%%'"  # Rename current window

# Bindings for various tmux functions
bind-key d detach-client
bind-key D choose-client
bind-key x confirm-before -p "kill-pane #P? (y/n)" kill-pane
bind-key X confirm-before -p "kill-window #W? (y/n)" kill-window
bind-key ']' paste-buffer
bind-key '[' copy-mode
bind-key ' ' next-window
bind-key Bspace previous-window

# Window and pane creation
bind-key c new-window
bind-key '%' split-window -v
bind-key '|' split-window -h
bind-key \\ split-window -v
bind-key '"' split-window -v
bind-key Tab select-pane -t :.+
bind-key BTab select-pane -t :.-

# Navigation between windows
bind-key n next-window
bind-key p previous-window
bind-key l last-window
bind-key f command-prompt "find-window '%%'"

# Miscellaneous
bind-key w list-windows
bind-key t clock-mode
bind-key C-t swap-pane -U
bind-key , command-prompt "rename-window '%%'"
bind-key . command-prompt "move-window -t '%%'"
bind-key ':' command-prompt
bind-key '$' command-prompt -I '#' "rename-session '%%'" # Rename session with a prompt

# bash to see all color names:
# for i in {0..255}; do \
      printf "\x1b[38;5;${i}mcolor%-5i\x1b[0m" $i ; \
      if ! (( ($i + 1 ) % 8 )); then echo ; fi ; \
  done


# Setup the status bar
set -g status on
set -g status-justify left
set -g status-style bg=black,fg=white
set -g status-interval 60  # Update the status line every minute
set -g status-left " "
set -g status-right "[#S] @#H - %Y-%m-%d %H:%M"
set -g window-status-current-format "#[fg=white,bg=darkblue]#I:#W"
set -g window-status-format "#I-#W"
set -g mouse on # Enable mouse support
set -g default-terminal "screen-256color" # default terminal to 256 colors
set -ga terminal-overrides ',*256color*:bce' # Make sure back color erase (bce) is enabled
set -g bell-action any # listen to alerts from all windows
set -g monitor-bell on # notice bell in windows
set -g visual-bell off # only propagate bell, don't warn user, as it hangs tmux for a second
set -g visual-activity both # send bell *and* notify when activity (if monitor-activity)

setw -g mode-keys vi # Use vi-style keys in copy mode
setw -g mouse on # Allow scroll wheel to scroll history

# Reload the configuration without restarting tmux
bind-key r source-file ~/.tmux.conf \; display-message "Config reloaded!"

# Help key bindings
bind-key ? list-keys


# pt2
# More keybindings for comprehensive control
# noexist bind-key M mark-pane
bind-key '}' next-layout
bind-key '{' previous-layout
bind-key C-z suspend-client
bind-key Z resize-pane -Z

# Killing and detaching
bind-key K confirm-before -p "kill-server? (y/n)" kill-server
bind-key k confirm-before -p "kill-window #W? (y/n)" kill-window

# Buffer and search
#bind-key > command-prompt -p "capture-pane -S '%%'" "save-buffer '%%'"
#bind-key < command-prompt -p "load-buffer '%%'" "paste-buffer '%%'"
bind-key = choose-buffer
bind-key P paste-buffer

# Resize panes
bind-key - resize-pane -L 5
bind-key + resize-pane -R 5
bind-key < resize-pane -D 5
bind-key > resize-pane -U 5

# Misc functions
bind-key b list-buffers
bind-key C-o rotate-window
bind-key C-q last-pane

# Session and window naming
bind-key C-s command-prompt "rename-session '%%'"
bind-key C-w command-prompt "rename-window '%%'"

# Setup escape and other special keys
bind-key Escape copy-mode
bind-key C-[ copy-mode
bind-key C-] paste-buffer

# Ensure the command line is setup
bind-key : command-prompt

# Reload tmux config on the fly
bind-key R source-file ~/.tmux.conf \; display-message "Config reloaded!"

# Specific layouts
bind-key ! break-pane
# bind-key '"' split-window -v

# Search and command prompts
bind-key / command-prompt "search-forward '%%'"
bind-key ? list-keys

# Adjustments for handling pane resizing
bind-key C-Left resize-pane -L 5
bind-key C-Right resize-pane -R 5
bind-key C-Up resize-pane -U 5
bind-key C-Down resize-pane -D 5

# Rotate and adjust panes
bind-key C-o rotate-window -D
bind-key C-p select-pane -U
bind-key C-n select-pane -D
bind-key C-b select-pane -L
bind-key C-f select-pane -R

# Session management
bind-key s list-sessions
bind-key S choose-session

#pt3

# More window management
bind-key '0' select-window -t :=0
bind-key '1' select-window -t :=1
bind-key '2' select-window -t :=2
bind-key '3' select-window -t :=3
bind-key '4' select-window -t :=4
bind-key '5' select-window -t :=5
bind-key '6' select-window -t :=6
bind-key '7' select-window -t :=7
bind-key '8' select-window -t :=8
bind-key '9' select-window -t :=9

# More misc keybindings
bind-key C-b send-keys C-b  # Useful for applications that need Ctrl-B
bind-key C-c send-keys C-c  # Standard interrupt key in the shell
bind-key C-d detach-client  # Slightly more intuitive binding for detaching
bind-key C-e command-prompt "send-keys '%%'"  # Send arbitrary commands
bind-key C-k clear-history  # Clear the history in the current pane

# More resizing options for panes
bind-key M-Left  resize-pane -L 5
bind-key M-Right resize-pane -R 5
bind-key M-Up    resize-pane -U 5
bind-key M-Down  resize-pane -D 5

# Create a new window with a specific command
bind-key C command-prompt -p "Command:" "new-window -n '%%' '%%'"

# Copy mode enhancements
#noexist bind-key v begin-selection
#noexist bind-key y copy-selection

# Scroll mode
bind-key PgUp copy-mode -u

# Ensure all special and function keys are configured properly
bind-key F1 display-panes
bind-key F2 list-commands
bind-key F3 previous-window
bind-key F4 next-window

# Provide help
bind-key F12 display-message "For help, press ?"

# Final touches on visual settings

# Enable logging for troubleshooting
set -g @verbose_logging on

#pt4

# Additional movement and interaction commands
bind-key ';' last-pane  # Toggle to the last active pane
bind-key '=' choose-buffer  # List and choose buffers
#bind-key '"' split-window -v  # Vertical split
#bind-key '%' split-window -h  # Horizontal split
bind-key C-o rotate-window  # Rotate all panes in the current window
bind-key m select-pane -M  # Toggle mouse mode on/off for pane selection

# Additional command prompts for quick actions
bind-key ':' command-prompt  # Enter command mode
bind-key C-k command-prompt "kill-window -t ':%%'"  # Kill specified window
bind-key C-z command-prompt "suspend-client '%%'"  # Suspend client

# Pane selection and arrangement
bind-key space next-layout  # Cycle through pre-defined pane layouts
bind-key C-space previous-layout  # Cycle reverse through pane layouts
bind-key C-Up command-prompt -p "resize-pane -U '%%'"  # Resize pane upward by entered amount
bind-key C-Down command-prompt -p "resize-pane -D '%%'"  # Resize pane downward
bind-key C-Left command-prompt -p "resize-pane -L '%%'"  # Resize pane to the left
bind-key C-Right command-prompt -p "resize-pane -R '%%'"  # Resize pane to the right

# Enhanced search and navigate capabilities in copy mode
bind-key '/' command-prompt "search-forward '%%'"  # Search forward in copy mode
bind-key '?' command-prompt "search-backward '%%'"  # Search backward in copy mode

# Register and buffer management
#bind-key '>' command-prompt -p "save-buffer '%%'" "save-buffer '%%'"  # Save buffer to a file
#bind-key '<' load-buffer  # Load buffer from file

# Detailed window and pane management
bind-key '*' list-panes  # List all panes in the current window
bind-key '#' list-windows  # List all windows in the current session
bind-key '!' break-pane  # Convert the current pane into a new window

# Function keys for quick access to common tasks
bind-key F1 display-panes  # Display pane numbers
bind-key F2 list-sessions  # List all sessions
bind-key F3 previous-window  # Switch to previous window
bind-key F4 next-window  # Switch to next window
bind-key F5 source-file ~/.tmux.conf \; display-message "Configuration reloaded"  # Reload tmux configuration

# Custom scripts and tools integration
bind-key F12 run-shell "tmux-custom-script.sh"  # Run a custom shell script