Svlug
Svlug home page (silicon valley linux users group)
http://www.svlug.org
Linuxquestions
Linuxquestions
http://www.linuxquestions.org/questions
Howtogeek
When you are using a linux system, it’s useful to find out what groups you belong to, so you can understand whether you have access to files and directories. this is one of the simplest commands possible. i’m using ubuntu linux, but this command should work on most varieties of linux.
http://www.howtogeek.com/howto/ubuntu/see-which-groups-your-linux-user-belongs-to
Nllgg
Nllgg
http://www.nllgg.nl
Yolinux
This tutorial covers the management and use of groups for security and user control on linux. the yolinux portal covers topics from desktop to servers and from developers to users
http://www.yolinux.com/TUTORIALS/LinuxTutorialManagingGroups.html
Cyberciti
Describes how to add a user to a group under any linux distribution using command line options.
http://www.cyberciti.biz/faq/howto-linux-add-user-to-group
Linux Forensics
Linux_forensics: linux_forensics
http://groups.yahoo.com/group/linux_forensics/