Archive for March, 2011

10 fundamental differences between Linux and Windows

10 fundamental differences between Linux and Windows

#1: Full access vs. no access

Having access to the source code is probably the single most significant difference between Linux and Windows. The fact that Linux belongs to the GNU Public License ensures that users (of all sorts) can access (and alter) the code to the very kernel that serves as the foundation of the Linux operating system. You want to peer at the Windows code? Good luck. Unless you are a member of a very select (and elite, to many) group, you will never lay eyes on code making up the Windows operating system.

You can look at this from both sides of the fence. Some say giving the public access to the code opens the operating system (and the software that runs on top of it) to malicious developers who will take advantage of any weakness they find. Others say that having full access to the code helps bring about faster improvements and bug fixes to keep those malicious developers from being able to bring the system down. I have, on occasion, dipped into the code of one Linux application or another, and when all was said and done, was happy with the results. Could I have done that with a closed-source Windows application? No.

#2: Licensing freedom vs. licensing restrictions

Along with access comes the difference between the licenses. I’m sure that every IT professional could go on and on about licensing of PC software. But let’s just look at the key aspect of the licenses (without getting into legalese). With a Linux GPL-licensed operating system, you are free to modify that software and use and even republish or sell it (so long as you make the code available). Also, with the GPL, you can download a single copy of a Linux distribution (or application) and install it on as many machines as you like. With the Microsoft license, you can do none of the above. You are bound to the number of licenses you purchase, so if you purchase 10 licenses, you can legally install that operating system (or application) on only 10 machines.

#3: Online peer support vs. paid help-desk support

This is one issue where most companies turn their backs on Linux. But it’s really not necessary. With Linux, you have the support of a huge community via forums, online search, and plenty of dedicated Web sites. And of course, if you feel the need, you can purchase support contracts from some of the bigger Linux companies (Red Hat and Novell for instance).

However, when you use the peer support inherent in Linux, you do fall prey to time. You could have an issue with something, send out e-mail to a mailing list or post on a forum, and within 10 minutes be flooded with suggestions. Or these suggestions could take hours of days to come in. It seems all up to chance sometimes. Still, generally speaking, most problems with Linux have been encountered and documented. So chances are good you’ll find your solution fairly quickly.

On the other side of the coin is support for Windows. Yes, you can go the same route with Microsoft and depend upon your peers for solutions. There are just as many help sites/lists/forums for Windows as there are for Linux. And you can purchase support from Microsoft itself. Most corporate higher-ups easily fall victim to the safety net that having a support contract brings. But most higher-ups haven’t had to depend up on said support contract. Of the various people I know who have used either a Linux paid support contract or a Microsoft paid support contract, I can’t say one was more pleased than the other. This of course begs the question “Why do so many say that Microsoft support is superior to Linux paid support?”

#4: Full vs. partial hardware support

One issue that is slowly becoming nonexistent is hardware support. Years ago, if you wanted to install Linux on a machine you had to make sure you hand-picked each piece of hardware or your installation would not work 100 percent. I can remember, back in 1997-ish, trying to figure out why I couldn’t get Caldera Linux or Red Hat Linux to see my modem. After much looking around, I found I was the proud owner of a Winmodem. So I had to go out and purchase a US Robotics external modem because that was the one modem I knew would work. This is not so much the case now. You can grab a PC (or laptop) and most likely get one or more Linux distributions to install and work nearly 100 percent. But there are still some exceptions. For instance, hibernate/suspend remains a problem with many laptops, although it has come a long way.

With Windows, you know that most every piece of hardware will work with the operating system. Of course, there are times (and I have experienced this over and over) when you will wind up spending much of the day searching for the correct drivers for that piece of hardware you no longer have the install disk for. But you can go out and buy that 10-cent Ethernet card and know it’ll work on your machine (so long as you have, or can find, the drivers). You also can rest assured that when you purchase that insanely powerful graphics card, you will probably be able to take full advantage of its power.

#5: Command line vs. no command line

No matter how far the Linux operating system has come and how amazing the desktop environment becomes, the command line will always be an invaluable tool for administration purposes. Nothing will ever replace my favorite text-based editor, ssh, and any given command-line tool. I can’t imagine administering a Linux machine without the command line. But for the end user — not so much. You could use a Linux machine for years and never touch the command line. Same with Windows. You can still use the command line with Windows, but not nearly to the extent as with Linux. And Microsoft tends to obfuscate the command prompt from users. Without going to Run and entering cmd (or command, or whichever it is these days), the user won’t even know the command-line tool exists. And if a user does get the Windows command line up and running, how useful is it really?

#6: Centralized vs. noncentralized application installation

The heading for this point might have thrown you for a loop. But let’s think about this for a second. With Linux you have (with nearly every distribution) a centralized location where you can search for, add, or remove software. I’m talking about package management systems, such as Synaptic. With Synaptic, you can open up one tool, search for an application (or group of applications), and install that application without having to do any Web searching (or purchasing).

Windows has nothing like this. With Windows, you must know where to find the software you want to install, download the software (or put the CD into your machine), and run setup.exe or install.exe with a simple double-click. For many years, it was thought that installing applications on Windows was far easier than on Linux. And for many years, that thought was right on target. Not so much now. Installation under Linux is simple, painless, and centralized.

#7: Flexibility vs. rigidity

I always compare Linux (especially the desktop) and Windows to a room where the floor and ceiling are either movable or not. With Linux, you have a room where the floor and ceiling can be raised or lowered, at will, as high or low as you want to make them. With Windows, that floor and ceiling are immovable. You can’t go further than Microsoft has deemed it necessary to go.

Take, for instance, the desktop. Unless you are willing to pay for and install a third-party application that can alter the desktop appearance, with Windows you are stuck with what Microsoft has declared is the ideal desktop for you. With Linux, you can pretty much make your desktop look and feel exactly how you want/need. You can have as much or as little on your desktop as you want. From simple flat Fluxbox to a full-blown 3D Compiz experience, the Linux desktop is as flexible an environment as there is on a computer.

#8: Fanboys vs. corporate types

I wanted to add this because even though Linux has reached well beyond its school-project roots, Linux users tend to be soapbox-dwelling fanatics who are quick to spout off about why you should be choosing Linux over Windows. I am guilty of this on a daily basis (I try hard to recruit new fanboys/girls), and it’s a badge I wear proudly. Of course, this is seen as less than professional by some. After all, why would something worthy of a corporate environment have or need cheerleaders? Shouldn’t the software sell itself? Because of the open source nature of Linux, it has to make do without the help of the marketing budgets and deep pockets of Microsoft. With that comes the need for fans to help spread the word. And word of mouth is the best friend of Linux.

Some see the fanaticism as the same college-level hoorah that keeps Linux in the basements for LUG meetings and science projects. But I beg to differ. Another company, thanks to the phenomenon of a simple music player and phone, has fallen into the same fanboy fanaticism, and yet that company’s image has not been besmirched because of that fanaticism. Windows does not have these same fans. Instead, Windows has a league of paper-certified administrators who believe the hype when they hear the misrepresented market share numbers reassuring them they will be employable until the end of time.

#9: Automated vs. nonautomated removable media

I remember the days of old when you had to mount your floppy to use it and unmount it to remove it. Well, those times are drawing to a close — but not completely. One issue that plagues new Linux users is how removable media is used. The idea of having to manually “mount” a CD drive to access the contents of a CD is completely foreign to new users. There is a reason this is the way it is. Because Linux has always been a multiuser platform, it was thought that forcing a user to mount a media to use it would keep the user’s files from being overwritten by another user. Think about it: On a multiuser system, if everyone had instant access to a disk that had been inserted, what would stop them from deleting or overwriting a file you had just added to the media? Things have now evolved to the point where Linux subsystems are set up so that you can use a removable device in the same way you use them in Windows. But it’s not the norm. And besides, who doesn’t want to manually edit the /etc/fstab fle?

#10: Multilayered run levels vs. a single-layered run level

I couldn’t figure out how best to title this point, so I went with a description. What I’m talking about is Linux’ inherent ability to stop at different run levels. With this, you can work from either the command line (run level 3) or the GUI (run level 5). This can really save your socks when X Windows is fubared and you need to figure out the problem. You can do this by booting into run level 3, logging in as root, and finding/fixing the problem.

With Windows, you’re lucky to get to a command line via safe mode — and then you may or may not have the tools you need to fix the problem. In Linux, even in run level 3, you can still get and install a tool to help you out (hello apt-get install APPLICATION via the command line). Having different run levels is helpful in another way. Say the machine in question is a Web or mail server. You want to give it all the memory you have, so you don’t want the machine to boot into run level 5. However, there are times when you do want the GUI for administrative purposes (even though you can fully administer a Linux server from the command line). Because you can run the startx command from the command line at run level 3, you can still start up X Windows and have your GUI as well. With Windows, you are stuck at the Graphical run level unless you hit a serious problem.

Era of Open Source Softwares-linux

Era of Open Source Softwares-linux

Of all the open source operating systems, LINUX heralded an era of freedom from licensed softwares and signalled the end of the road for monopoly softwares from the giant Microsoft. With the arrival of LINUX and its many versions, users got themselves liberated from the shackles of Windows operating systems and soon found that they could edit and tinker with LINUX to generate new versions of the famous OS. Linux has gained an unexpectedly large amount of interest in the home market over the past two years. This could be due to any number of reasons including, it’s both free and open source, almost all applications are free and open source, the stability is unsurpassed, the code is constantly revised, updated and added to by a numerous amount of programmers across the world. Linux is undisputable a giant in the OS world, with just the name Linux being a symbol of stability and security. With the interest in Linux growing, many new distributions have surfaced offering easy installation and configuration. Well-established distributions such as Redhat are also striving to meet the same goals.

Linux is an operating system and therefore is the basic set of programs and utilities that make the computer run. Some other common operating systems are Unix (and its variants BSD, AIX, Solaris, HPUX, and others); DOS; Microsoft Windows; Amiga; and Mac OS.Linux is Free Software. In a nutshell, software that is free in the sense that Linux is distributed along with its source code so that anyone who receives it is free to make changes and redistribute it. Users are free to make copies of Linux and give them to friends, it’s also fine to tweak a few lines of the source code.The only catch is that the user who modifies it has to necessarily make available the source code to all users. Linux is not owned by anyone. One misconception many first-time Linux.com readers have is that this site, Linux.com, is similar to Microsoft.com, which is owned and controlled by the company that produces the Windows operating system. No one company or individual “owns” Linux, which was developed, and is still being improved, by thousands of corporate-supported and volunteer programmers all over the world.

Users are generally provided with Linux distribution that contains not only the basic Linux operating system, but also programs that enhance it in many ways. Anyone who wants to put together his or her own Linux distribution is free to do so, and we know of more than 200 different Linux distributions that fill special “niche” purposes. But we advise new users to stick with one of the five or six most popular general-purpose Linux distributions until they know a little about what Linux can and can’t do. You can get Linux from a number of online software repositories, including the official Web sites for each distribution. It helps to have a fast connection and a CD burner so you can quickly download an .ISO image of the distribution and burn it onto a CD. You then can load the bootable installation programs that lead you, step by step, through the process of getting Linux on your computer.

The more popular distributions are available in many computer stores and directly from each distribution’s publisher. The convenience of a distribution on CDs, including manuals, generally makes your first installation so much easier that it is well worth the money.

Linux boasts of some of the best free online support for its operating system.Take advantage of some free, expert technical support: the Linux Users Group, or LUG. The heartbeat of Linux support, and of Linux itself, is the LUG. There are LUGs in almost every country in the world, where you can get Linux advice and help from people who live near you, speak your language, and are willing to donate their time so that new users can learn about Linux without going through any more head-scratching than necessary.Each LUG operates independently and has its own style and meeting schedule. Note that if there is no LUG close enough for you to conveniently attend meetings, most LUGs maintain email lists you can join and use to get answers to any Linux questions you have.

The best-known corporate GNU/Linux distribution is REDHAT. Mandrake Linux
was the first Linux distribution that worked hard to make Linux easy for ordinary desktop users. Freely downloadable version available; commercial versions have pre-integrated sofware packages and are easier for first-timers to set up than the download edition. There are other distributions like Fedora, Debia, Knoppix,Suse, Slackware, MEPIS, Gentoo and so on.

Netbook Purchase Tips

Netbook Purchase Tips

Netbook is the novel and hottest craze in portable computing, as lugging a 17“ laptop everywhere can be neatly replaced by buying an ultra portable netbook. Conversely, shopping for a netbook is best by following some buying tips.

Identifying computing needs: This is an immense factor worth considering and needs proper thinking and planning about using the netbook and the related software that you need. This depends on the fact about using it for web surfing or checking email or doing some serious jobs such as video editing or graphic designing. Netbook is appropriate for lower intensive tasks that comprises of web browsing, email checking and replying, besides office applications. A netbook with full size is recommended for jobs that are processor intensive.

Portability features: Carrying a netbook around involves comprehending the size and weight as the main factor. Netbook is available in plenty of sizes, but definitely is tiny and weights less in comparison to the bulky laptops. The portability features certainly is favorable only when the netbook is light in weight and small in size. The battery size and weight also requires to be considered as some power adaptors come heavy and large in size.

Comprehending the storage types: Types of netbook available in the market should be comprehended as it helps in selecting the desired to suit the needs and wants of the buyer. Netbook comes in SSD and HDD storage types such that SSD, the Solid State Drives boot faster, possess withstanding impact and is a bit faster in performance, but is notorious for low storage. Contrarily, HDD, the Hard Disk Drives netbook stores up to 160GB data, but are weaker withstanding impacts in comparison to their counterparts, SSD. Buying a fast netbook with less storage capacity or a netbook offering high capacity, but is slow in booting depends completely on the desire and need of the buyer.

Considering the netbook`s brand: Considering the brand before purchasing is essential as the market today is filled with numerous brands of netbooks. However, good brands such as ASUS certainly carry high repute, and are followed by many more manufacturers of netbook such as Acer, Dell, HP, Lenovo and MSI. These manufacturers vary in their signatures and a buyer should know these details prior to purchase, such as ASUS have small keyboards. It is necessary to know the different brand netbooks as well as their differences, and this can be understood by researching in the internet with patience.

Operating system: Similar to the desktop computers having Mac and Windows as operating system competitors, the netbook has Windows XP and Linux for competition. The netbook models are shipped by different manufacturers with an operating system, and hence every netbook is either featured with a Windows XP or Linux version. However, Linux version netbooks are well-known for their security and stability, while the Windows XP netbooks have gained the topmost popularity. Compatibility of versions is a must and hence a buyer usually opts for Windows XP netbook, as it is tough to switch paradigms facilitating Linux.

Reading reviews: User reviews play a vital role in determining the performance of some netbooks. Manufacturers do not leave any opportunity in hyping their product so that their sales are boosted. But, reading the reviews will assist in knowing the value or the rundown of a netbook model. Reading independent reviews of products offered in online computer magazines and searching the internet for more reviews will give valuable information about a product to be purchased.

Comparison: Settling for a shopping website at the first attempt is not recommended. Comparing prices from minimum three or five netbook sellers is the best before placing the order. Comparison is required as some websites offer the netbooks cheaper as they deal on wholesale orders, while others do the same and sell second hand netbooks. If buying online, make sure the you are dealing with a trusted website.


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