Then, you can run the program with the command ./hello, which will print out Hello World! in your terminal. And that’s all there is to compiling C++ programs in Linux. Here is the code for Hello ...

This command will produce ... symbols that match program addresses to source code lines. This allows for line-by-line profiling: $ gcc -Wall -pg -g test_gprof.c test_gprof_new.c -o test_gprof ...