xhost is server access control program for X.
xhost + means is Access is granted to everyone
Codeblocks has a Linux version compiler. There's a link to it under the related links.
http://enl.usc.edu/enl/trunk/gpsr-linux/docs/gpsr_design_spec.pdf
C++ source code cannot be run, it must be compiled and linked to produce an executable. Linux has many compilers available, with gcc being one of the most popular.
Include: #include "windows.h". To erase use the system("CLS"); for XP, system("Clear"); for Linux.
lynx is a text-only web-browser. If you mean linux, then g++ will be perfect for you.
Linux PreLoaded is a UK website that sells desktop computers. They have decent prices, plus the Linux computers have great ratings already in 2013. They ship from the UK.
dnf install ncurses-devel
After ten plus years of using open source (of which linux is but a small part) I claim to be above average, but always experimenting, always willing to learn more!
You cannot. C++ and shell script (which shell, by the way? there are more than one) are entirely different languages.
Linux Internals is a book about how Linux works.
Linux World is the Linux Development & Training Center
The courses available for Linux include Linux server, Linux desktop, bash shell, and many others.