Data backup

Windows backup

Official Windows XP backup tutorial:
http://support.microsoft.com/kb/320820
Automating Windows backup (XP, English) :
http://library.creativecow.net/articles/hutton_john/windows_bkup.php

Windows 7 backup and restore tutorial (Traditional Chinese):
http://jack66112211.pixnet.net/blog/post/26165454
Windows 7 backup tutorial video (English):
http://www.youtube.com/watch?v=2alhU_ZAFcQ&feature=related
Video that teaches you how to use this build-in utility as a Ghost-like program (English):
http://s3.top-windows-tutorials.com/BackupTutorials/windows7-Backup-1.swf

Remember, you can always consult Windows Help and Microsoft Online knowledge base.

Free third party backup software

If you feel the build-in backup utility provided by MS is not satisfactory, quite a few backup software is available:
http://en.wikipedia.org/wiki/Category:Free_backup_software
The IISntb repository contains an open source backup program named Cobian Backup developed by a Swedish professor. This program can be found in:
iisntb.iis.sinica.edu.tw\packages\09_Open_source\cobianbackup (IIS account required)
A tutorial for Cobian Backup can be found here:
http://www.cravingtech.com/how-to-backup-with-cobian-backup-9.html

Transcend protable HDD backup

Transcend portable HDDs ship with a free software named StoreJet Elite. This software helps you do backup, synchronization and archiving. The user’s manual of this software can be found here .

Database backup

An article describing how to backup MySQL database automatically (Linux):
http://www.backuphowto.info/how-backup-mysql-database-automatically-linu...

MySQL provides a utility to generate a script of SQL commands that would re-create the original database(s). Tutorial for MySQLDump:
http://articles.sitepoint.com/article/backing-up-mysqldump

How about remote backup?
A tutorial for backking up MySQL databases via SSH:
http://www.blogthority.com/87/how-to-backup-mysql-database-without-phpmy...
Via PhpMyAdmin:
http://blog.xuite.net/yamalin/blog/19104910 (Traditional Chinese)
http://fragments.turtlemeat.com/mysql-database-backup-restore-phpmyadmin... (English)

If you are a Linux Guru, tar is capable of performing incremental backup. The -g option is your friend. An example is given here:
http://www.cyberciti.biz/tips/how-to-backup-mysql-databases-web-server-f...

Version control

The ANTS lab uses TortoiseSVN. A guide for setting up a TortoiseSVN repository is available here:
http://www.student.informatik.tu-darmstadt.de/~kilb/svn.html

The Augmented Reality sub-team of the PLASH project led by Angus uses Google code:
http://code.google.com/

Of course, there is a lot of other version control software you can utilize:
http://en.wikipedia.org/wiki/List_of_revision_control_software