Posts Tagged ‘Systems’

Alternative Operating Systems

May 15th, 2010 Admin

Alternative Operating Systems

Even though most personal computers are sold today with Windows pre-loaded, there are alternative operating systems that you can choose to install yourself. Advances are constantly being made in computer programming that allows computer users to choose what operating system they want to use.

Of course, Windows is one of the easiest operating systems to have. It is loaded on most computer systems, so you can use other systems besides your own with ease and without having to learn a new program. Windows is designed to be user-friendly with point and click technology that allows nearly anyone to easily become a computer expert.

One of the alternative operating systems you can look at is rising in popularity – especially in recent years. The Linux operating system is a freeware product developed within the last several years as an alternative to Windows. It is also designed to be user-friendly with a graphical user interface that allows for easy navigation.

Linux has been accepted by many large corporations as a viable alternative to other operating systems. These companies include IBM, Novell, and Sun Micro Systems. Many of them have adopted them as their primary operating system for their mainframe computers as well as individual PCs.

As we’ve said, Linux is meant to be freeware available to anyone. It is meant to be shared between users and programmers alike so that they can make changes to the system and re-distribute it freely with those changes. The concept is that rather than having one programmer working on the system, many programmers can ultimately make the system better.

Besides Linux, Apple Corporation has an alternative operating system made for their PCs called Mac OS. This operating system is usually just run on Macintosh computers, but it is always evolving and being developed so that eventually, it can be run on any computer. Mac OS was actually the model operating system used to develop Windows.

There are many other alternative operating systems – most of which were developed as freeware like Linux. These include GNU, Gnome, Solaris, and Unix. They are all viable alternatives to any operating system and most are as user-friendly as Windows and Mac OS.

You don’t have to stick with any pre-loaded operating system on your new computer. There are many alternative operating systems you can choose from and they are all meant to be easy to use and visually appealing. You can easily install these operating systems and be well on your way to a new experience.

Like this article? Alternative Operating Systems

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Linux and Unix Software Development and Its Use in Embedded Systems

April 12th, 2010 Admin

Unix and Linux are both POSIX compliant operating systems. POSIX defined a standard interface to the low-level operating system which greatly reduces the amount of work required to produce UNIX and Linux software.

Unix and Linux software development

The standard user command line and scripting interface was based on the Korn shell. Other user-level programs, services and utilities include awk, echo, ed, and hundreds of others. Required program-level services include basic I/O (file, terminal, and network) services. POSIX also defines a standard threading library API which is supported by most modern operating systems.

Currently POSIX documentation is divided in three parts:

POSIX Kernel APIs

POSIX Commands and Utilities

POSIX Conformance Testing

Linux Development requires both POSIX and 3rd party/native GDI and GUI frameworks to create usable Linux and UNIX software. DOTNUTSHELL can create highly scalable and usable POSIX software which can be run on UNIX and Linux. The software can range from simple utilities to distributed software which has to be run on heterogenous platforms such as Linux, UNIX and Windows.

Linux and UNIX development is also the desired platform and framework for the creation of embedded software:

Embedded software and embedded systems, are those that require 100% of resources shared across a single platform often used to monitor, update and control hardware.

DOTNUTSHELL has experience in creating robust, efficient embedded software running as a monolithic Operating system, or a Kernel add-on in an Embedded Linux distribution.

It is the responsibility of the underlying embedded software system to maintain state information, persist changes to hardware configuration as well as gaurantee transaction and concurrency control at the hardware interface-level.

We have experience in creating:

MontaVista based embedded software

Embeddix based embedded software

Linux Driver creation

low-level hardware and bus interface strategies and mechanisms

I/O mapping and application/kernel space mixing

Real-time application development

Cross platform development

Assembler/C/C++ based embedded software development

POSIX development

RISC/PowerPC405 & 82xx, MIPS Development

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5 Operating Systems That Can Set You Free

April 10th, 2010 Admin

Microsoft has been holding more than 90% market of operating systems around the world. But, the versions of Windows operating system are available only after paying the premium prices. In contrast, various equipment manufacturers are providing operating systems for personal and commercial use without any cost or fee. Further, in few cases users can even change their source code and redistribute them as well.

With these free operating systems, users will not receive any printed manuals, CD-ROMs or technical support. Further, consumers have to look for various forums and chat room to have support from the community. Meanwhile, few vendors are offering their help at very reasonable price to new users.

PC-BSD

It is a Unix-like operating system based on FreeBSD for desktops. It comes with default KDE pre-installed graphical user interface, which is very easy to install. It offers binary Nvidia and Intel drivers for hardware improvements and additional 3D desktop interface through Compiz Fusion. Its stable release was introduced in June last year. It is reported that the operating system supports x86 and x86-64 architectures.

PCLinuxOS

PCLinuxOS or PCLOS is a GNU/Linux based free open-source operating system based on KDE as its default user interface for personal computers. Its stable version, called PCLinuxOS 2009.2 was released back in June, 2009. The software was created to improve Mandrake Linux or Mandriva Linux. It is circulated as a Live CD, which can also be installed to a local hard disk drive or USB flash drive.

Pardus

Pardus is a Linux based operating system, which does not require much knowledge to operate. Its name was taken from the Latin name for the Anatolian leopard. Pardus 2009 is the latest version of Pardus. It features the OpenOffice.org office suite, internet tools like web browser, e-mail, instant messaging, etc.

Also, it supports various multimedia and graphics tools, games, and many other applications. Its package management system is called as PiSi (Packages installed Successfully as intended), which is written in XML and Python, and uses the LZMA Compression Algorithm.

Dreamlinux

It is a Debian GNU/Linux based operating system developed in Brazil and can be installed on a hard drive. Its general user interface is similar to Mac OS X, with a centered animated toolbar. The operating system has the ability to configure AIGLX for NVIDIA and ATI cards automatically.

Its latest desktop version, called edition 3.0 comes with a complete redesign. Dreamlinux 3.0 supports a new independent architecture named Flexiboost, which lets the co-existence of two or more different window managers, sharing the same customized appearance. In 2009, the company had released the Dreamlinux 3.5, which uses the now stable Debian Lenny desktop.

SimplyMEPIS

SimplyMEPIS is the most popular MEPIS distribution, which is based primarily on Debian stable. It is distributed via Live CDs that can be installed onto a hard disk drive. The operating system comes with KDE, the K Desktop Environment.

The present stable release, called SimplyMEPIS 8.0 includes several new packages and features like Linux kernel 2.6.27, KDE 3.5.10, and OpenOffice.org 3.0. Meanwhile, the company is focusing on MEPIS 8.5 that features Debian based with KDE 4.3 as a desktop manager.

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Types Of Operating Systems

March 20th, 2010 Admin

Almost all computers including handheld computers, desktop computers, supercomputers and video game consoles use an operating system of some type. If you have installed Windows Vista or Windows XP on your system then I am quite sure most of you will have no idea about Operating Systems.  This is not your fault because Microsoft Windows operating systems covers almost 90% of the PC market.   Operating System (OS) is an interface between the hardware and the user and is responsible for the management and coordination of activities and sharing of resources of the computer. Following are different types of Operating Systems:

Microsoft Windows

Recently Microsoft has released Windows 7 as their latest Windows operating system. Microsoft Windows is a family of proprietary operating systems, meaning that you can not modify or distribute it. When you use Windows Operating system you have some limitations at your side. Microsoft Windows holds a large amount of the worldwide desktop computing market share. It is also used on servers, supporting applications such as web servers and database servers. In recent years, Microsoft has spent significant marketing, research & development money to demonstrate that Windows is capable of running any enterprise application. The most widely used version of the Microsoft Windows family is Windows XP, released on October 25, 2001.

UNIX and UNIX-like operating systems

UNIX is a computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs. Today the term UNIX is used to describe any operating system that conforms to UNIX standards; meaning that the core operating system operates the same as the original UNIX operating system.

The term “Unix-like” is commonly used to refer to a large set of operating systems which resemble the original UNIX. Unix-like systems run on a wide variety of machine architectures. They are used heavily as servers in business, as well as workstations in academic and engineering environments. Free UNIX variants, such as GNU Linux and BSD, are popular in this area.

Linux OS

Linux is a generic term referring to Unix-like computer Operating Systems based on the Linux kernel. Its development is one of the most prominent examples of free and open source software collaboration; typically all the source code can be used, freely modified, and redistributed, both commercially and non-commercially, by anyone under the terms of the GNU GPL and other free software licenses.

Linux is predominantly known for its use in servers, although can be installed on a wide variety of computer hardware, ranging from embedded devices , mobile phones and even some watches to supercomputers. Linux distributions, installed on both desktop and laptop computers, have become increasingly commonplace in recent years. In short, Linux has become an operating system that can be run almost anywhere by almost anyone.

Mac OS

Mac OS is of graphical user interface-based operating systems developed by Apple Inc. for their Macintosh line of computer systems. The Mac OS was first introduced in 1984 with the original Macintosh, usually referred as the System software. Early versions of Mac OS were compatible only with Motorola based Macintoshes but Mac OS X, has superseded the “Classic” Mac OS and is compatible with both PowerPC and Intel processors.

Online OS

Besides of above mentioned Operating Systems there are some online Operating Systems that are browser dependant meaning that when you close the web browser operating systems disappears. Glide OS, OOS and webX are a few examples of online Operating systems.

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Everything You Ever Wanted to Know About Your Server with boxinfo

January 20th, 2010 Admin
Any system administrator worth their salt has some kind of system for collecting and maintaining information about all the systems they’re responsible for. Gathering that info by hand, especially when the systems are inherited, can be time-consuming. Or you could try out boxinfo , a Perl script that gathers most or all of the information you’d want in a few easy steps

Follow this link:
Everything You Ever Wanted to Know About Your Server with boxinfo

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