simple tmux config

.tmux.conf

# C-b is not acceptable -- Vim uses it
set-option -g prefix C-a
bind-key C-a last-window

# set window split
bind-key | split-window -h
bind-key - split-window

# Rather than constraining window size to the maximum size of any client
# connected to the *session*, constrain window size to the maximum size of any
# client connected to *that window*. Much more reasonable.
setw -g aggressive-resize on

# Activity monitoring
setw -g monitor-activity on
set -g visual-activity on

bind-key C command-prompt -p "Name of new window: " "new-window -n '%%'"

# reload config
bind r source-file ~/.tmux.conf \; display-message "Config reloaded..."

# auto window rename
set-window-option -g automatic-rename

# color
set -g default-terminal "screen-256color"

setw    -g  mode-keys    vi
bind-key -T edit-mode-vi Up                send-keys -X history-up
bind-key -T edit-mode-vi Down              send-keys -X history-down
bind-key -T copy-mode-vi v                 send      -X begin-selection
bind-key -T copy-mode-vi [                 send-keys -X begin-selection
bind-key -T copy-mode-vi y                 send-keys -X copy-pipe-and-cancel "pbcopy"
bind-key -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "pbcopy"
bind-key -T copy-mode-vi Enter             send-keys -X copy-pipe-and-cancel "pbcopy"
bind-key -T copy-mode-vi ]                 send-keys -X copy-selection