Unix System Administration Hints and Tips

Free contents on the Unix operating system.   Topics are Unix overview,  hints and tips, programming, example, questions with answers, FAQ, Unix interview questions you can used for your Job interviews. 

Unix Forum
Post your problems to the Unix Community.  This is an email discussion group for Unix administrators, system programmers, designers, system engineers to share information and request assistance from Unix PEERS around the world.   The discussion topics should be focused on anything about Unix and it related issues.

Unix Discussion Forum for Unix Professional

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Overview
Introduction to UNIX
Why use Unix?
Basic Unix Commands
An Intro to vi editor

Unix Tech Tips for DBA
RAID (Redundant Array of Inexpensive/Independent Disks)
awk one-liner Tips
Stream - Oriented Editor One-liner Tips
Program Performance Optimization
Adding a secondary disk to Sun system
Sun Solaris Command Tips
Intro to UNIX Shells
Undertanding File Permissions on a Unix-Based Server

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

Unix Book and Ebook
Solaris 9 System Administrator Exam Cram 2

UNIX System Administration Handbook (3rd Edition)

UNIX for the Impatient (2nd Edition)

.....more Unix Books and Ebooks

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

Unix Scripts
Write a Script That Monitors The Used Diskspace
Script To Continue To The Next File

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

 Tips and Tricks
Assigning UNIX commands to Function Keys
A FIND and GREP Combination
AWK Quick Columns
How to use if/else logic in sed/awk
Alternative to CP
Automatic Exit after PL/SQL Script
BASH Hotkeys
Unix Redirection and Pipes
Changing PERMS Recursively
Change/Check your Term Type Quick
Check if the web server is running without a browser
Check System Kernel Variables
Checking your RAM (Solaris)
CHOWN and Solaris
UNIX Commands Cheat Sheet
Cleaning Directories
Configure Network Card Capability
Configure the System to Boot a 32-Bit Kernel
UNIX Permissions
Find and Edit Command in One
Find the Hog
Find the Speed of a Network Card
Copy an Existing Directory Structure
Check If the Directory Folder Is Empty
vi Search Across Carriage Return
Dump to a File
Edit all the Files
Copy Entire FileSystems
Replace Data in a File
Zipping Files Recursively
Ftp / Get Command Usage
corrupt/etc/system, Unable to Boot
Counting Files or Directories
C Shell Command Recall
crontab Core Removals
Display all Files except some
Cut Huge Log Files in Half
Unix Date Processing
Deleting Blank Lines Using AWK
Disable the CDE Front Panel
Disable Unused Daemons
Extract Last Field
File Systems Limitation 2 GB or Physical Disk Size
How to specify colors in unix?
How does a kill Process Work?
Finding a String
FUSER instead of  PS for PID
IP Forwarding using IPtables
Unix FAQ
 Unix Forum : Questions and Answers in Discussion
Changing Upper and Lower Case
Finding Numeric Word at eof Field
Count Specific Letters and Words
Printing String Backward
vi / ex : Resume on Pattern Fail
Capture Exit Codes from Unix
Danger of . in the PATH variable
Checking a Varaible
What is the significance of SIGBUS
Application/Library is Leaking Memory
To change the entry point of the Program
Knowing the Size of Ram,Swap space in HP Unix 11
Replacing libraries on HP-UX
Question Marks in ed
How can I use command history?
Update Column from a Reference file
Update the Contents of a File in Un
Update a Propety in a Propety File
Write a C program or an algorithim or a "Mr. Spock"
Trying to unmount the CDROM gives "...device busy
How to backup data on UNIX?
Script shows you delete Files and Directorys
Identify Duplicate Records in UNIX
What's the easiest way to compare 2 text files?
Overwrite the Value in Text File
The easiest way to compare 2 directories RECURSIVELY?
Need to remove all Dup lines
Awk Search
nawk Associative Arrays HELP!
Help with getline using nawk
Unix stat command
Opening Large Log Files in Unix
What does this Redirection do
Need Help with KornShell script
Fetch your entire Mail file via ftp and read it locally
How to Know if the ftp sent file sent OK
ftp Application Behaving Erratically
Sendmail on Solaris - 2 copies of mail
Script that sends a file via mailx
Read just a part of an Archive file
Fetching Records from Oracle Database
How to print doubleside without a proper duplex printer?
Help File System Watcher Kornshell
Transfer files bigger than 1.4MB on floppies Linux/Unix
Compare Lines Within File
To Append the End of a Line
Format a unix file on Teradata
Text Reformatting
Shell Script to Format Text
Shell script passing variables
Parameter File for a Shell Script
Creating Scripts
Logic in possible in Scripts
Scripting String Parsing
Convert ASCII text from DOS/Windows to Unix format
How to find dynamic libs linked to progs
How to enable faster downloads
Sparse files
SED Problem
Host Intrusion Detection
Daily Motivation and Inspiration Motivation and Inspiration Quotes, Stories
Free Home Business Education Work At Home Business Opportunities
Linux Linux System Administration Hints and Tips
SAP SAP ABAP/4 Programming, Basis Administration, Configuration Hints and Tips
Oracle Oracle Database, SQL, Application, Programming Tips
Free Software Stop those Annoying Pop-up for Internet Explorer
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