# PKGTYPE="txz" sbopkg -i slim

# init 3
# xwmconfig
# init 4

bash-4.3$ cat ~/.xinitrc
#!/bin/sh
# $XConsortium: xinitrc.cpp,v 1.4 91/08/22 11:41:34 rws Exp $
userresources=$HOME/.Xresources
usermodmap=$HOME/.Xmodmap
sysresources=/etc/X11/xinit/.Xresources
sysmodmap=/etc/X11/xinit/.Xmodmap

# merge in defaults and keymaps

if [ -f $sysresources ]; then
    xrdb -merge $sysresources
fi

if [ -f $sysmodmap ]; then
    xmodmap $sysmodmap
fi

if [ -f $userresources ]; then
    xrdb -merge $userresources                                                                                               
fi                                                                                                                                                                   
if [ -f $usermodmap ]; then                                                                                                       
    xmodmap $usermodmap                                                                                                           
fi                                                                                                                                
                                                                                                                                  
# Start the window manager:                                                                                                       
if [ -z "$DESKTOP_SESSION" -a -x /usr/bin/ck-launch-session ]; then                                                               
    ck-launch-session startkde                                                                                                    
else                                                                                                                              
    startkde         
fi 

bash-4.3$ cat /etc/rc.d/rc.4                                                                                                      
#! /bin/sh                                                                                                                        
#
# rc.4          This file is executed by init(8) when the system is being
#               initialized for run level 4 (XDM)
#
# Version:      @(#)/etc/rc.d/rc.4      2.00    02/17/93
#
# Author:       Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
# At least 47% rewritten by:  Patrick J. Volkerding <volkerdi@slackware.com>
#

# Tell the viewers what's going to happen...
echo "Starting up X11 session manager..."

if [ -x /usr/bin/slim ]; then
  exec /usr/bin/slim -nodaemon
fi
...

bash-4.3$ grep -v '^#' /etc/slim.conf | grep -v '^$'
default_path        /bin:/usr/bin:/usr/local/bin
default_xserver     /usr/bin/X
halt_cmd            /sbin/shutdown -h now
reboot_cmd          /sbin/shutdown -r now
console_cmd         /usr/bin/xterm -C -fg white -bg black +sb -T "Console login" -e /bin/sh -c "/bin/cat /etc/issue; exec /bin/login"
suspend_cmd        /usr/sbin/pm-suspend
xauth_path         /usr/bin/xauth 
authfile           /var/run/slim.auth
login_cmd           exec /bin/bash -login ~/.xinitrc %session
sessions            xfce4,icewm-session,wmaker,blackbox
screenshot_cmd      import -window root /slim.png
welcome_msg         Welcome to %host
shutdown_msg       The system is halting...
reboot_msg         The system is rebooting...
current_theme       default
lockfile            /var/run/slim.lock
logfile             /var/log/slim.log