Linux MCQ Questions & Answers | Computer Science

#include<stdio.h>
#include<sys/types.h>
#include<sys/socket.h>
 
int main()
{
    int fd;
    fd = socket(AF_UNIX,SOCK_STREAM,0);
    printf("%d\n",fd);
    return 0;
}

#include<stdio.h>
#include<stdlib.h>
#include<fcntl.h>
 
int main()
{
    int fd;
    fd = open("test.c",O_RDWR|O_APPEND);
    write(fd,"/* Linux */",11);
    return 0;
}

os = Unix
[$osName = UnixName] && exit 2
[${os}Name = UnixName] && exit 3

#include<stdio.h>
#include<pthread.h>
 
void *fun_t(void *arg);
void *fun_t(void *arg)
{       
    printf("%d\n",a);
    pthread_exit("Bye");
}
int main()
{
    int a;  
    pthread_t pt;
    void *res_t;         
    a = 10;
    if(pthread_create(&pt,NULL,fun_t,NULL) != 0)
        perror("pthread_create");
    if(pthread_join(pt,&res_t) != 0)
        perror("pthread_join");
    return 0;
}

#!/bin/bash
echo "How many times you want to print 'Example'"
read value
for ((i=0;i<$value;i++))
do
echo "Example";
done
exit 0

#include<stdio.h>
#include<fcntl.h>
 
int main()
{
    int fd;
    char buff[512];
    if( mkfifo("/tmp/test_fifo",0666) == -1)
        perror("mkfifo");       
    fd = open("/tmp/test_fifo",O_RDONLY);
    read(fd,buff,512);
    printf("%s\n",buff);
    return 0;
}