why linux is called as free OS or open source

poonam.kumari58 June 2014

linux is open source
can you ever see the source code of any of the windows softwares or windows operating system ???
never.
But in case of linux, u can see the code of operating system as well as various softwares (better to say freewares) and if you have skills then you can change them according to your need..

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