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Old 09-24-2008, 12:29 AM   #1
SHENGTON
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Why I will buy Linux OS if I can request CD for free?


Hi guys, good afternoon.

I received my Ubuntu Linux last month. In the Get Ubuntu link there are options "Download Ubuntu", "Buy Ubuntu on CD" and "Request free CDs".

I read something in Linux Dummies book that there are companies selling Linux distributions but requires that the software be distributed in source-code form, and stipulates that anyone may copy and distribute the software in source-code form to anyone else.

Questions:
1. What's the reason why there's an option "Buy Ubuntu on CD" if Linux is distributed for free?
2. What's this "source-code form"?
3. Is/Are there any difference(s) between the "Buy" and "Request"?

If any links that I need to know/read first before I ask those questions above, please feel free to post the exact links.

Thanks and God bless.

Last edited by SHENGTON; 09-24-2008 at 12:43 AM.
 
Old 09-24-2008, 12:39 AM   #2
elliott678
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Usually, if you buy the CD, you also get official tech support.
 
Old 09-24-2008, 01:18 AM   #3
chrism01
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Which answers 1 & 3 nicely. For 2, source code means what it says, you get the source (human readable) version of the code.
You may want to google 'GPL' if you really want the gory details.
Another answer to 1 is that way you contribute to the further dev of Linux, whether you actually use any support or not. Programmers have to eat you know ...

BTW, the rule (as per GPL) is that if you distribute binaries, you must offer the src as well. Stops people closing off the src.
 
Old 09-24-2008, 01:30 AM   #4
johnson_steve
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By buying the cd you are paying for the convenience of not having to download the .iso's and burn them yourself. with some distros you also get free tech support. last time I checked the 'free cds' from Ubuntu were very outdated compared to what is available for download. when I first started with linux I only had a very slow dial-up connection. I bought several distros off ebay for cheap. these disks were obviously home made. this isn't illegal! the GPL clearly states that you can distribute copies however you want and that if you change something then you must make the source code available. If you didn't change anything you don't have to make the source available because it is already available somewhere else. there is nothing stopping me or you or anyone else from making a million copies of Ubuntu or any other distro and selling them on ebay or anywhere else for that matter. some distros you can't do this with because their 'art' isn't gpl you can't redistribute the artists work without their permission this would be a violation of copyright law; these distros can have this 'art' removed and then be distributed like the others. the basic idea of the gpl is that not only can you make copies and sell them if you wish but so can anyone you give the copies to.
 
Old 09-24-2008, 01:55 AM   #5
brianmcgee
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Well another thing is of course, that someone pays for creating the cds/dvds or for the traffic of the download server.

By buying a cd/dvd with Linux you will most certainly donate some money to the project.
 
Old 09-24-2008, 09:29 AM   #6
SHENGTON
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Thanks guys for your replies. It helps a lot.
 
  


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