Tmux Config for MacOS

.zshrc

# Use 'reattach-to-user-namespace' to enable copy & paste using clipboard.
if command -v reattach-to-user-namespace >/dev/null 2>&1; then
    alias pbcopy='reattach-to-user-namespace pbcopy'
    alias pbpaste='reattach-to-user-namespace pbpaste'
fi

tmux.conf

# Set prefix to ctrl+a
unbind C-b
set-option -g prefix C-a

# Enable vi keys mode
set-window-option -g mode-keys vi

# Enable Copy & Paste
set -g default-command "reattach-to-user-namespace -l ${SHELL}"
bind-key -T copy-mode-vi 'v' send -X begin-selection
bind-key -T copy-mode-vi 'y' send-keys -X copy-pipe-and-cancel 'pbcopy'
bind-key p paste-buffer
bind -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel 'pbcopy'

# Split lanes using '\' & '-'
bind '\' split-window -h
bind - split-window -v
unbind '"'
unbind %

# Enable mouse mode (tmux 2.1 and above)
set -g mouse on

# Quick reload
bind r source-file ~/.tmux.conf