UNIX

UNIX is a powerful computer operating system that was developed by AT&T Bell Laboratories in 1969. The UNIX operating system can be utilized on various platforms, running a larger assortment of hardware than on many other operating systems. UNIX has become the operating system of choice for workstation computers directly linked to networks rather than on operating systems for personal, desktop or individual PCs. The UNIX operating system is predominantly used by mid-sized businesses and universities.

The UNIX operating system is experiencing an expansion in development from the viewpoint of technical professionals. Although UNIX is used mainly for large institutions, it is becoming more popular amongst IT professionals as the operating system of choice and has recently been installed as the native operating system on some notebooks and laptops for personal use. The majority of UNIX operating systems is related to scientific and engineering workstations and used on many Internet service providers’ servers. UNIX contains a modular construction, allowing it to be modified in a simple and efficient manner.

The tutorials in this section will help programmers and developers to fully understand the functionality, benefits and intricacies of the UNIX operating system. Helpful e-books, quick reference guides and practice configuration of code are available in easy to use tutorials.

 

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Basic Definition of Shell Scripting is Storing Frequently Used Commands in Files. Store the following in a file named simple.sh and execute it. bin sh Generate some useful info for use at the start of the daydatecallast USER head -6 Shows current date calendar and a six of your previous logins for security check. You might run this at...
Basic Definition of Shell Scripting is Storing Frequently Used Commands in Files. Store the following in a file named simple.sh and execute it. bin sh Generate some useful info for use at the start of the daydatecallast USER head -6 Shows current date calendar and a six of your previous logins for security check. You might run this...
Solaris x86 can picky when it comes to hardware. It may not work on hardware that s not listed in the HCL Hardware Compatibility List . My older Pentium system s motherboard was OK and it found the hard-drive I had connected to the primary IDE channel on the motherboard but it wouldn t recognize the CD-ROM drive even though it was connected to the...
Introduction Sendmail has the reputation of having the most hideous configuration file in the history of mankind. It s extremely long and incredibly cryptic. However it is this very complexity that has made it the most popular MTA Mail Transport Agent on the Internet. Its flexibility allows sendmail to handle the most demanding disjointed mail...
df kt Filesystem kbytes used avail capacity Mounted on dev vx dsk rootvol 4032504 970905 3021274 25 proc 0 0 0 0 proc fd 0 0 0 0 dev fd mnttab 0 0 0 0 etc mnttab dev vx dsk var 1984564 135528 1789500 8 var swap 1674464 16 1674448 1 var run swap 1674504 56 1674448 1 tmp dev vx dsk opt 3008649 71211...
This tutorial assumes no previous knowledge of scripting or programming but progresses rapidly toward an intermediate advanced level of instruction . . . all the while sneaking in little snippets of Unix wisdom and lore. It serves as a textbook a manual for self-study and a reference and source of knowledge on shell scripting techniques. The exercises...
This SuSE Linux 9.0 installation tree is suitable for installation via ftp http nfs smb or hard disk. SUSE makes the live-eval version of SUSE LINUX available for download as an ISO image. This version runs entirely from the bootable CD and is not installed on the hard disk. System requirementsYou need at least 96MB main memory. To install on...
Teach Yourself Linux in 24 Hours pdf B.Ball - S.Smoogen SAMS This book is designed to help you learn quickly. You ll find it an indispensable guide to installing Linux and getting right to work. This book helps you overcome technical obstacles explains complex subjects in simple language and shows you some neat tricks to make your computing experience...
The following is a listing of some common Unix commands.  awk options filename A pattern matching program cat options filename  Prints the contents of a file to the screen. cd directory Change directory. chmod options filename  Modify file or directory permissions. clear Clear...
We assume that you have some familiarity with UNIX and know how to log in create and edit files and work with files and directories to a limited extent. If you haven t used UNIX in a while or you aren t familiar with one of these topics don t worry. The book reviews this material thoroughly. This book is divided into three parts - Part I is...
An in-depth exploration of the gentle art of shell scripting. The shell is a command interpreter. More than just the insulating layer between the operating system kernel and the user it s also a fairly powerful programming language. A shell program called a script is an easy-to-use tool for building applications by gluing together system calls...
The Bourne shell is an interactive command and programming language that provides an interface to UNIX. As an interactive command language it is responsible for reading and executing the commands that you enter at your terminal. As a programming language its special commands allow you to write sophisticated programs. It also provides the ability to...
The Korn shell is an interactive command and programming language that provides an interface to UNIX and other systems. As an interactive command language it is responsible for reading and executing the commands that you enter at your terminal. As a programming language its special commands allow you to write sophisticated programs. It also provides...
This is the list of Frequently Asked Questions for Linux the free operating system kernel that runs on many modern computer systems. The kernel source code documentation says that Linux aims for POSIX compliance. Linux uses mostly free GNU system utilities and application software Table of Contents 1. Introduction and General Information 1.1....
Please find 81  ebooks and tutorials on  Unix Linux X-Windows. The Linux Cookbook Unix Man Pages Everyday Linux The Art of Unix Programming The Unix-Haters Handbook Secure Programming for Linux and Unix Unix Linux Book Chapters Teach Yourself Linux in 24 Hours NeXTStep Programming Step One Object-Oriented ...
Mainly the reason for this tutorial is to make assembly programming easier better and more practical by doing it in Linux instead of DOS. Also it may teach you a bit of Linux while you re at it unless you re already at home with it . This tutorial is an introduction to coding assembly in Linux. There are two versions" to accommodate...