FREEBSD
	Documentation:     /usr/share/doc Running sysinstall     /stand/sysinstall Install ports:      Go to the directory /usr/ports/ and find the package you wish to install. Enter that directory and issue the command:     make && make install

Update ports

/usr/local/bin/cvsup -g -L 2 /root/cvsup/ports-supfile

    [NB. can to look to /usr/ports/UPDATING to see what will be affected and how.]

portsdb -Uu
    portversion -l "<"   [to see if any ports will be upgraded]
portupgrade -arR    [so dependencies will be installed, if necessary]
       [NB. If you're ever asked to run pkgdb -F , do it]

    [More information at: http://www.onlamp.com/pub/a/bsd/2003/08/28/FreeBSD_Basics.php ]

Update System

Create 3 files per http://www.bugman.cx/cvsup/
Once edited per your requirements, then:

  o  update from cvs
      # cd /usr/src
      # make update
  o  build world/kernel in your normal or single-user mode
      # cd /usr/obj
      # rm -rf *
      # cd /usr/src
      # make buildworld
      # make buildkernel KERNCONF=YOURKERNEL
  o  install kernel/world in single user mode
      # reboot
      # go to loader prompt and type: boot -s
      # when at promt type: mount -a
      # cd /usr/src
      # make installkernel KERNCONF=YOURKERNEL
      # make installworld
  o  run mergemaster -p
      # mergemaster -p
  o  reboot
      # reboot

Old method to update system

go to directory /usr/local/etc/cvsup
    do the following command: /usr/local/bin/cvsup -g -L 2 stable-supfile
    once finished, then go to /usr/src
    enter the commands:
make buildworld KERNCONF=yourkernelname (for name, look to config file found in /usr/src/sys/i386/conf/)
make buildkernel KERNCONF=yourkernelname (look to / )
make installkernel KERNCONF=yourkernelname
reboot
    You should boot in single user mode (using boot -s from loader prompt for example). Then continue with:
mergemaster -p  
go to /usr/src and type: make installworld
mergemaster
update /dev (for 4.x only)
reboot