Custom tmux configuration

.tmux.conf

# utf8
set-window-option -g utf8 on

# fix the titles
set -g set-titles on
set -g set-titles-string "#I:#W"

# 1-based window indexing
set -g base-index 1

# switch currently focused pane by mouse click
setw -g mode-mouse on
set-option -g mouse-select-pane on

# increase history to 100k
set -g history-limit 100000 

# aggressive resize
setw -g aggressive-resize on

# load custom key bindings
source-file ~/.tmux.keys

.tmux.keys

# remap prefix to match GNU screen (i.e. CTRL+a)
set -g prefix C-a
unbind C-b
bind C-a send-prefix

# force a reload of the config file
unbind r
bind r source-file ~/.tmux.conf

# quick pane cycling
unbind ^A
bind ^A select-pane -t :.+

# make the split panes more mnemonic
unbind '"'
unbind %
bind \ split-window -h
bind - split-window -v

panes

# split the window into two vertical panes
prefix + "

# split the window into two horizontal panes
prefix + %

# swap pane with another in the specific direction
prefix + { or }

# select the next pane in the specified direction (arrow keys)
prefix + [UDLR]

# toggle between pane layouts (space key)
prefix + ⍽

# for scrolling, enter copy-mode and then use arrow keys and exit w/ ESC 
prefix + [

# kill the current pane
prefix + x

sessions

# start new
tmux

# starts a new session session_name
tmux new -s session_name (prefix + :new -s session_name)

# starts a new session name the same as current directory
tmux new -s `basename $PWD`

# attach
tmux a # (or at, or attach)

# attach to an existing session named session_name
tmux attach -t session_name
tmux a -t session_name

# switch to an existing session named session_name
tmux switch -t session_name

# lists existing sessions
tmux list-sessions (prefix + s)
tmux ls

# detach the currently attached session
tmux detach (prefix + d)

# kill session
tmux kill-session -t session_name

# rename session
prefix + $

windows

# create a new window
prefix + c

# list windows / window numbers
prefix + w

# move to the window based on index
prefix + 0-9

# rename the current window
prefix + ,

# kill the current window
prefix + &