Re: Linux - Windows Questions Jan. 22, 2011

On Sat, 22 Jan 2011 17:24:10 -0600, E.D.G. wrote:

These are questions from an intermediate level programmer who
normally works with Windows and the Perl and Gnuplot languages and who has
some experience with Unix. I have never done any work with Linux.

Your Unix experience should go well in Linux. :)


Q: Is there a version of Linux that can run while Windows (XP, Vista, or
Windows 7) is the computer's actual operating system?

Run a virtual manager and any of the 300+ Linux distributions should run.

I like the ease of use VirtualBox provides. I run it on Linux to play
with other Operating systems. http://www.virtualbox.org

Q: If such a version does exist, could it be included in a freeware
download package that Windows users could store on their computers as an exe
type program, or whatever, and have it just start running as a program
instead of having to formally install Linux on their systems?

Not as you seem to indicate. Even Cygwin is a bit of an install.
http://www.cygwin.com/


Q: Does Linux limit the amount of computer Ram memory that a program can
access? With my present version of Vista (32 bit) it appears that a given
program is allowed to access a maximum of 2 gigabytes of Ram memory.

Linux will limit your access based on your cpu/hardware limits.
Looking on my 4 meg memory 32 bit cpu system my usage in meg is
$ free -m
total used free shared buffers cached
Mem: 3789 3680 109 0 23 3476
.

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