Linux MCQ Questions & Answers | Computer Science

#include<stdio.h>
#include<pthread.h>
#include<fcntl.h>
 
int fd;
void *fun_t(void *arg);
void *fun_t(void *arg)
{       
    char buff[10];
    int count;
    count = read(fd,buff,10);        
    printf("%d\n",count);
    pthread_exit("Bye");
}
int main()
{
    pthread_t pt;
    void *res_t;
    fd = open("demo.c",O_RDONLY);        
    if(pthread_create(&pt,NULL,fun_t,NULL) != 0)
        perror("pthread_create");
    if(pthread_join(pt,&res_t) != 0)
        perror("pthread_join");
    return 0;
}

x = 3; y = 5; z = 10;
if [( $x -eq 3 ) -a ( $y -eq 5 -o  $z -eq 10 )]
then
    echo $x
else
    echo $y
fi

int main() 
{
     int fd1, fd2;
     struct stat buff1, buff2;
     fd1 = open(“1.txt”, O_RDWR);
     fd2 = open(“2.txt”, O_RDWR | O_APPEND);
     lseek(fd1, 10000, SEEK_SET);
     write(fd1, “abcdefghij”, 10);
     write(fd2, “abcdefghij”, 10);
     fstat(fd1, &buff1);
     fstat(fd2, &buff2);
     printf(“ %d %d”, buff1.st_size, buff2.st_size);
     return 0;
}