Question

How to get OS information on Unix-like systems with C++

Answer 1

#include <iostream>
#include <sys/utsname.h>

int main() {
    struct utsname buf;
    
    uname(&buf);
     if (uname(&buf) == -1) {
        std::cout << "uname error";
        return 1;
    }
    
    std::cout << buf.sysname << std::endl;
    std::cout << buf.nodename << std::endl;
    std::cout << buf.release << std::endl;
    std::cout << buf.version << std::endl;
    std::cout << buf.machine << std::endl;
}


/*
run:

Linux
prod-repl-c-74fc9fb589-s7jqh
6.6.72+
#1 SMP PREEMPT_DYNAMIC Sun Apr 27 08:53:34 UTC 2025
x86_64

*/

 

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