This started out as a config that was mostly pulled from one of the first Google results for fmux.conf, and one of the first results for tmux. But now weighing in at 150 lines it is a force to be reckoned with.

.tmux.conf

# Report that we can handle 256 colors
# set -g default-terminal "xterm-256color"

# Rebind prefix to avoid conflicts
unbind C-b
set -g prefix C-a

# this is for convenience
bind C-d detach-client

bind C-a last-window
bind -n F10 select-pane -t :.+ # F-key bound to Caps Lock at OS/Term level
bind F10 select-pane -t :.+
bind -n M-F10 next-window # this is frigging awesome
bind M-F10 next-window

# for recognizing shift F10 (iTerm permits customization; this is to accomodate putty)
set -g terminal-overrides "*:kf20=\\033[34~"
bind -n F20 previous-window
bind F20 previous-window

bind C-b display-panes
bind b display-panes # looks like i am doing this a lot (for manipulation of panes)
set -g display-panes-time 2000
set -g display-time 2000

set -s set-clipboard on

# friendly for ctrl key state and also allow repeat
bind -r n next-window
bind -r C-n next-window
bind -r p previous-window
bind -r C-p previous-window

bind -n C-S-Left swap-window -t -1
bind -n C-S-Right swap-window -t +1

# send prefix through with a
bind a send-prefix

bind / list-keys # a shift-key relaxation overload

unbind A
bind A command-prompt "rename-window %%"

unbind L
bind L source-file /home/slu/.tmux.conf

# OhMyZsh ftw!
# set -g default-command /bin/zsh
set -g default-shell /home/slu/.zsh/bin/zsh

# I'm a Vim user, this makes navigation easier
setw -g mode-keys vi

set -g repeat-time 250

# I'm a wasd/ijkl guy, hjkl just never made any sense
# however since it is clearly a good vim workflow i am
# working it into my tmux workflow against my better judgement
# it also helps a great deal on the iOS keyboards so there's that.
unbind k
bind -r k select-pane -U
unbind j
bind -r j select-pane -D
unbind h
bind -r h select-pane -L
unbind l
bind -r l select-pane -R

bind -n M-left select-pane -L
bind -n M-right select-pane -R
bind -n M-up select-pane -U
bind -n M-down select-pane -D

bind -n M-h resize-pane -L 5
bind -n M-j resize-pane -D 3
bind -n M-k resize-pane -U 3
bind -n M-l resize-pane -R 5

# sadly the ctrl arrows definitely dont work on tmux with a mac
# and using mouse to resize is stupid anyway
unbind up
unbind down
unbind left
unbind right
bind -r up resize-pane -U 3
bind -r down resize-pane -D 3
bind -r left resize-pane -L 5
bind -r right resize-pane -R 5

# '0' is at the wrong end of the keyboard
set -g base-index 1

# Just click it
set -g mouse-select-pane on
set -g mouse-select-window on
set -g mouse-resize-pane on

# Scroll your way into copy mode (scrollback buffer)
# and select text for copying with the mouse
setw -g mode-mouse on
setw -g mouse-utf8 on

setw -g alternate-screen on

# Toggle sending keystrokes to all panes in a window
# bind-key a set-window-option synchronize-panes

# Don't lose track of SSH_AGENT etc. from parent environment.
set -g update-environment -r

set -g status-keys vi
setw -g mode-keys vi

set -g status-bg '#1d1d1d'
set -g status-fg '#dddddd'
set -g status-left-length 20

set -g status-left "#{?client_prefix,#[fg=green] #S ,#[fg=green]#[reverse] #S }"
#this client_prefix variable is only available in post 1.7

set -g status-right-length 200
set -g status-right '#[fg=green]#T #[fg=blue]#[reverse]%H:%M:%S %d-%b-%y#[noreverse]'
setw -g window-status-current-fg '#f2777a'
setw -g window-status-current-attr reverse
setw -g automatic-rename on
setw -g allow-rename off

set -g pane-active-border-bg cyan
set -g pane-active-border-fg black

set -s escape-time 50
setw -g aggressive-resize on
setw -g xterm-keys on
#unbind C-Left
#unbind C-Right
#unbind C-Up

set -g renumber-windows on
#unbind C-Down

bind \ split-window -h
bind - split-window

setw -g monitor-activity on

set -g history-limit 100000

# these are "overloads" on the create-pane, they create panes from existing panes/windows, to allow rearrangement
bind _ command-prompt -p "create pane from existing: [session]:window[.pane] " "join-pane -s '%%'"
bind | command-prompt -p "create vpane from existing: [session]:window[.pane] " "join-pane -h -s '%%'"

bind @ command-prompt -p "here is the prompt for the command" "run-shell \"tmux display-message -p 'i run in the pane currently focused which is #I;#P'; tmux break-pane -t %%; tmux display-message \\\"broke pane out into #I;#P\\\"; \" "
# this one is currently being worked on (is really just a test command)

#todo: check if list-buffers command is still set (it should be, it is a default binding)