Useful bash profile

.bash_profile

# SSH agent autostart
SSH_ENV="$HOME/.ssh/environment"
function start_agent {
    echo "Initialising new SSH agent..."
    /usr/bin/ssh-agent | sed 's/^echo/#echo/' > "${SSH_ENV}"
    echo succeeded
    chmod 600 "${SSH_ENV}"
    . "${SSH_ENV}" > /dev/null
    /usr/bin/ssh-add $HOME/.ssh/id_rsa;
}
# Source SSH settings, if applicable
if [ -f "${SSH_ENV}" ]; then
    . "${SSH_ENV}" > /dev/null
    #ps ${SSH_AGENT_PID} doesn't work under cywgin
    ps -ef | grep ${SSH_AGENT_PID} | grep ssh-agent$ > /dev/null || {
        start_agent;
    }
else
    start_agent;
fi
if ! ps $SSH_AGENT_PID > /dev/null ; then
stat_agent;
fi
# common aliases
alias ll='ls -al'

.screenrc

caption always "%?%{ Wk}%-Lw%?%{Rk}%n*%f %t%?(%u)%?%?%{Wk}%+Lw%? %{Rk}%=%c %{rk}%d/%M/%Y"
hardstatus string "%{+b Rk}(%{-b g}$LOGNAME@%H%{+b R}) (%{-b g}%C %a%{+b R}) %{-b g} %n %t %h"

.tmux.conf

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

unbind C-b

# Start numbering at 1
set -g base-index 1

# Allows for faster key repetition
set -s escape-time 0

# Set status bar config
set -g status-bg black
set -g status-fg green
set -g status-left "#[fg=cyan,dim]#h"
set -g status-right '#[fg=green][#[fg=blue]%Y-%m-%d #[fg=white]%H:%M#[default]#[fg=green]]'

# windows list config
set-window-option -g window-status-format '#[fg=cyan,dim]#I#[fg=blue]: #[default]#W #[fg=grey,dim]#F'
set-window-option -g window-status-current-format '#[bg=blue,fg=cyan,bold]#I#[bg=blue,fg=cyan]: #[fg=white]#W #[fg=dim]#F'

# 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

# Allows us to use C-a a <command> to send commands to a TMUX session inside
# another TMUX session
bind-key a send-prefix

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

# Example of using a shell command in the status line
#set -g status-right "#[fg=yellow]#(uptime | cut -d ',' -f 2-)"

# tmux status bar messages display time
set-option -g display-time 4000

# history size
set -g history-limit 10000

#this is default if autodetected
set-option -g status-utf8 on

setw -g mode-mouse off