[Discover] 如何以 SYSTEM 系統群組的權限操作電腦 http://blog.miniasp.com/post/2008/07/How-to-use-SYSTEM-privilege-to-operate-computer.aspx (system windows limit sys)
 [Discover] Linux.com :: Discover the possibilities of the /proc directory http://www.linux.com/feature/126718 (linux sysadmin cli system)
 [Discover] Jackbin 的懶人筆記: 不怕病毒的影子系統 (2) - Shadow Defender http://jackbin.blogspot.com/2008/02/shadow-defender.html (protection recovery system shadow)
 [Discover] Wireshark: Go deep. http://www.wireshark.org/ (security software networking network)
 [Discover] SystemExplorer Homepage http://systemexplorer.mistergroup.org/ (windows apps system tools)
 [Discover] WinSplit Revolution http://reptils.free.fr/ (windows freeware software monitor)
 [Discover] Belarc - System Management For The Internet Age http://www.belarc.com/ (system windows sysadmin utilities)
 [Discover] [Mr. Chao's Laboratory] - 趙老師研究室 http://jnc.myweb.hinet.net/ (bootcd system recovery winpe)
 [Discover] andLinux.org http://www.andlinux.org/ (windows opensource linux virtualization)
 [Discover] Traceroute, Ping, Domain Name Server (DNS) Lookup, WHOIS, and DNS Records Lookup http://network-tools.com/ (whois dns network test)
 [Discover] Kỳ Nam - RegToy http://kynam.us.to/ (windows tools freeware registry)
 [Discover] eyeOS | Web Based Desktop System. Taking your data and applications everywhere. http://www.eyeos.org/ (os opensource software desktop)
 [Discover] CPUID - PC Wizard http://www.cpuid.com/pcwizard.php (windows utilities freeware system)
 [Discover] IP Calculator / IP Subnetting http://jodies.de/ipcalc (network system ip administration)
 [Discover] My IP address and location? Show my ip address and locate the ip! http://www.ip-adress.com/ (network tools maps search)