Hi,
I have recently shifted from FreeBSD to Linux side(mainly to learn new OS.)I have previously also tried various distros, but Slackware appears best for me. However what I feel lack of is the good books or documentation as compared to FreeBSD. To be particular although Slackbook exist but its too less as compared to FreeBSD handbook(including developers' handbook too). Also texts like absolute freebsd, complete freebsd teach from basic to right to running servers, security etc. As my exposure to linux is quite less I might be missing some good resources.
Kindly do guide me some good resources (mainly books) covering topics like :
1.Running Servers, setting firewall etc.
2.Editing various config file, kernel tweaking
3.System & Kernel development.
I shall be highly thankful to you. Also I will be also simultaneously searching on net and forums and shall post my findings here.
Thanks.

Linux, General: Rute Linux Tutorial, "Linux Cookbook" (book), Advanced Bash Scripting Guide.

System and Kernel Development: "Understanding the Linux Kernel" and "Linux Device Drivers" (both books)

And take a look at How to Ask Questions the Smart Way -- this will be among the most valuable things you'll ever read while trying to learn Linux.

Thanks,
those seems to suit my needs very well.
Sorry if I offended in any way. I am also simultaneously looking on net and other forums.
Found two more books which might be useful to other searchers too:
Running Linux
Linux Administration A beginner's guide
Source: Amazon(both have quite good reviews.)
Will checkout these and those mentioned by jrtayloriv in local bookstore and library tomorrow.
My intent was to have a central resource for links/texts related to GNU/Linux like that to FreeBSD. Still if my topic was too general or unclear, I apologize.
Thanks again.

You should find something here.

Wolf101 -- Glad you found them useful.

You didn't offend in any way, and I wasn't being angry or insulting by recommending that article to you. It's truly one of the best introductory articles that you could read, and I recommended it simply because I think you will get a lot of personal benefit out of it. It will dramatically increase your ability to solve problems, and learn how to find information you are seeking quickly and efficiently. Take a look at it -- I guarantee you will learn something useful from it.

--jrtayloriv

Thanks!
I read the article. It was really informative and guiding. Please keep giving more links like these.

Thanks! Will check them in morning.

Checked nearly all the resources mentioned. Found all of them very useful.So happy learning now