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Unix Tech Tips for DBA
awk one-liner Tips
Stream - Oriented Editor One-liner Tips
Program Performance Optimization
Sun Solaris Command Tips
Intro to UNIX Shells
Undertanding File Permissions on a Unix-Based Server
How To Mirror Raid5
Ways of System Logging and Auditing

Disk
RAID (Redundant Array of Inexpensive/Independent Disks)
Adding a secondary disk to Sun system
How To Create Unformatted Partition

Programming
What is a semaphore?
What is a thread?
How do I perform arithmetic on floating point numbers?

Digital UNIX Tru64
Account Manager locked by another user
Digital UNIX to print to an ip-address, socket number?
Startup scripts configuration parameters
Shutting down and rebooting a Digital server

Files
Script To Continue To The Next File
Sorting Files in Different Directories
Deleting Files On List Of Folders
Search Many Files and Print
Finding Out The Last Modified Time For Files
Unix Commands for Finding Files
Show Difference Between Two Files
Displaying Tabs In A File
Check and Repair Filesystem with fsck
To Make Sure All Names Are Lowercase
Gzip More Than One File and Deleting First Line
Redirecting Output To File
Writing File Moving Script
Check For Zero Byte File Script
Change Last Modified Accessed Time

Directory
About Directories

Unix Exercise
Managing Your Own Files and Directories
Printing Command To Be Used
Man Command To Find The Man Page
Using The ps And top Commands

Servers
Clusterit To Manage Multiple Servers
Resize A Konsole Window

Memory
Kmalloc And Malloc Memory Allocation

Useful Commands 
Running Kernel and System Information
Load,  Statistics, Messages and Users
Frequently used Command
Wild Card and Print a file Commands
For Processes Commands
Using The Tail Command
Sed Command Using Variables

Password
Increasing The Password Length
Modify Etc Password File

File Transfer Protocol
How To Login Automatically To Ftp

UNIX System Administration Handbook (3rd Edition)

UNIX for the Impatient (2nd Edition)

HP-UX
Startup scripts in HP-UX 10

SCO
SCO Unix Root Password
SCO Performance Monitoring
Shutting down and rebooting a SCO server
Show hardware specifications on a SCO server

AWK
Printing with awk Utility

Differences
Difference Between SC And LOM

Unix Scripts
Write a Script That Monitors The Used Diskspace
How To Make A Start And Stop Script
Reading from Keyboard Shell Script
Rename a File If It Exceeds 1 MB In Size
Not Found Message In Script Execution
Invoking Shell Scripts
Shell Variables
The Shell Script Language
How to use Perl in a Shell Script
Escape Characters in File Named
Script Before AIX Lock User Account
Starting a Timer To Count a Period
To Display The Shell Type
Redirections Of Shell Input And Output
Shell Script For Deleting Files

Questions on Unix
Frequently Asked Questions
Unix Questions and Answers
Short Questions with Answers
Important Questions and Answers for Unix
Commonly Asked Questions
Sample Questions
Braindumps Questions and Answers

Job Interview Questions
Interview Questions with Answers
Technical Interview - Preparation Questions
Network Administrator - Job Interview Questions
Job Questions Asked During My Interview
Shell Scripting Interview Questions

Knowledge Testing
Self Test Questions for Understanding Unix
Self Testing Knowledge
Short Self-Test Questions on Unix

Sendmail
Specify Subject Line With Sendmail