How to invoke operating system command from a C/C++ program.

There can be situations in where we need to excute a linux commands from a C++ program.

Then system() is the function you need.

It is simple, only the command has to be passed and it will return 0 if command successfuly executed, 1 otherwise.

syntax: int system(const char *command);

As system function is declared in stdlib.h, it can be considered a C function. But in C++, stdlib.h is merged into the std namespace and is located in the cstdlib .