1) Is UNIX open source?....
UNIX is never an open source(except openBSD). Never. Some can be downloaded freely, but only binary... you can never get the source.
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2) How much should one pay to get any UNIX flavour(if its not open source)?..
You do have to pay for some UNIX flavours, while some are free.(like Sun Solaris, Free BSD)
3) If one has to pay for UNIX... how is it any different from WINDOWS?
When I asked how is UNIX different, I meant morally, not technically. Anyways, morally speaking UNIX is not much different.
4) Exactly how Linux is different from UNIX?... esp. since Linux is "UNIX type" OS.
Here my context was technical not moral, anyways, there are some minor technical differences, to which the peers say, right now I need not worry.
5) Since Linux is downloadable freely... How do companies like Redhat or Mandrake make money at all??
Visit this. RedHat makes money by "providing" support, its just impossible to "sell" any open source product. Its the support that they charge for.
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I found this one link (click here), which could answer almost everything.
Ok, here come the answers... (albeit after a lot of googling & querying)
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Well I know this is going to be like those old questions asking wihch is better,linux or windows?
It can be debated in both the ways!
1) Is UNIX open source?....
I still stand by what i said.Yes some are.I could not find the site for Openbsd so i gave the other site where you could download the binary of solaris and it WAS FREE!(not shouting, but just making a point)
http://www.openbsd.org/ftp.html
Although the rights still remain with Bell labs
2) How much should one pay to get any UNIX flavour(if its not open source)?..
I still don't know the answer
3) If one has to pay for UNIX... how is it any different from WINDOWS?
morally, There are many players in the unix world unlike the windows
4) Exactly how Linux is different from UNIX?... esp. since Linux is "UNIX type" OS.
The personal linux and unix are totally different.Ever heard of the stipped down version of windows Xp that they sold in the east asian countries, it was surely an OS but just hardware compatibility and a few drivers cannot make an OS that can run on the servers and make use of the that high end hardware.The same applies here.
The unix is much more stable and secure.Maybe there are thousands of enthusiasts trying to fill the hole in linux,but they are not compelled to do it!You have to download the patches from the redhat home(for redhat)site.From any other site it is a huge risk!and i have not seen as many patches for linux as for say windows(nothing is perfect,MS also hires the best in the business),and redhat has its own developper community and willnot accept any patch if developed by you!
When i said you it did not meen Pavan,linux can be built in any type to suit say some very old standards,but unix building(by the licence holders) has to follow a specific universal guidlines.
5) Since Linux is downloadable freely... How do companies like Redhat or Mandrake make money at all??
Yes i said that they charge the service.
they also have the server editions
https://www.redhat.com/apps/commerce/
Hope you atleast agree to 10% of what I said!
tech. you have turned into a really boring guy. tsk tsk... i mean tech tech...
And why arent you replying my missed calls?
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