Linux Command Reference

The following links can be useful to any one who is working in any form of UNIX and its most sought-after flavour-Linux.I am giving categorized links for those who are starting bottom-up and want to do lots of things in this wonderful open source Operating system including system administration, networking and application development:

1. Linux Tutorial : "The place where you learn linux" http://www.linux-tutorial.info/index.php
2. The Linux Documentation Project http://www.tldp.org/
3. YoLinux Information Portal http://www.yolinux.com/
4. Linux Command Directory http://www.linuxdevcenter.com/linux/cmd/
5. Linux.org : Comprehensive linux reference http://www.linux.org/