UNIX or Linux?

I want to learn UNIX but do not have access to that environment. I was told that I could instead use Linux. Are UNIX and Linux exactly, or almost exactly, the same? Can I use a UNIX How-To book on a Linux system?
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cartoon022100Connect With a Mentor Commented:
Good point to argue on !!!
well it depends.I prefer Linux as, when u get wiser in it , u  can get a feel of the OS by looking at the Source code it self.Source code is rarely given for UNIX.
If u ask me ..Linux to start with will be fine :-)
limvaAuthor Commented:
Hi cartoon,

Thanks for your input. I guess what I was asking is: Can I practice on a Linux system using a UNIX book?  Are they that similar?
Most of what you could learn from a generic UNIX How-To book should be applicable to a Linux system.
And much of what you can practice on a Linux system could be applicable to other Unix systems.
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limvaAuthor Commented:
Thanks so much for your comment, ozo. That's what I wanted to know.
I would say, it depend of the distribution of Linux.  Your Unix book could be good only a part.  but it could be a good base.
limvaAuthor Commented:
Thanks for your comment, jacquesc.
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