Linux MCQ Questions & Answers | Computer Science

#! /usr/bin/awk -f
BEGIN {
    a[1,1]=0
    a[1,2]=1
    a[2,1]=2
    a[2,2]=3
    for(i=1;i<3;i++) {
        for(j=1;j<3;j++) {
        print a[i,j]
        }
    }
}

#include<stdio.h>
#include<fcntl.h>
#include<sys/stat.h>
#include<sys/mman.h>
 
int main()
{
    int s_id;
    s_id = shm_open("shared_mem",O_CREAT|O_RDWR,0666);
    printf("%d\n",s_id);
    if(shm_unlink("shared_mem") == -1)
        perror("shm_unlink");
    return 0;
}