WAP to report behaviour of Linux kernel including kernel version, CPUtype and model. (CPU information)

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#include<stdio.h>
#include<sys/vfs.h>
#include<sys/sysinfo.h>
#include<sys/utsname.h>

int main()
{
    int r,a,q,p,b;
    struct sysinfo s1;
    struct utsname s2;
    struct statfs s3;

    r=sysinfo(&s1);
    q=uname(&s2);
    p=statfs("./",&s3);

    a=(1024*1024);
    b=(a*1024);

    if(r==0&&q==0&&p==0)
    {
        printf("\nSystem name:%s",s2.sysname);
        printf("\nVersion:%s",s2.version);
        printf("\nRelease:%s",s2.release);
        printf("\nMachine:%s",s2.machine);
        printf("\nTotal RAM:%ldMB",(s1.totalram/a));
        printf("\nFree RAM:%ld MB",(s1.freeram/a));
        printf("\nUsed RAM:%ld MB",((s1.totalram-s1.freeram)/a));
        printf("\nTotal Size of partition:%ldGB\n",(s3.f_bsize*s3.f_blocks)/b);
    }
    else
    {
        printf("ERROR\n");
    }
    return 0;
}