How to compile C++ under Ubuntu Linux?

Question

I cut&pasted the below code from a previous question into a file called \"avishay.cpp\" and then ran

gcc avishay.cpp

only to get the f

Answer 1

Use

g++

space followed by the program name. e.g:

g++ prog.cpp

if the filename was "prog.cpp" in this case. if you want to run the program write:

./prog

so i used

"prog"

because it was my filename.