Linux
practice.

What is the default maximum number of processes that can exist in Linux?

Which command is used to identify file type?

Which one of the following is not true about this program?

#include<stdio.h>
#include<signal.h>
 
void response (int);
void response (int signo)
{
    printf("%s\n",sys_siglist[signo]);
    signal(SIGSEGV,SIG_IGN);
}
int main()
{
    signal (SIGSEGV,response);
    char *str;
    *str = 10;        
    return 0;
}

Advantage of FIFO over pipe is

What is the output of this program?

#! /usr/bin/awk -f
BEGIN {
    a=0
    do {
        print "example"
        a++
    } while (a<5)
}

A device class describes the . . . . . . . . type of device.

Syntax of any Unix command is:

Which one is used to select only one copy of the repeated lines?

Which one of the following is not system V IPC ?

The keyword 'local' is used

What is the output of this program?

#include<stdio.h>
#include<pthread.h>
#include<semaphore.h>
 
sem_t st;
void *fun_t(void *arg);
void *fun_t(void *arg)
{
    printf("Linux\n");
    pthread_exit("Bye");
}
int main()
{
    pthread_t pt;
    void *res_t;
    if(pthread_create(&pt,NULL,fun_t,NULL) == -1)
        perror("pthread_create");
    if(sem_init(&st,0,2) != 0)
        perror("sem_init");
    if(sem_wait(&st) != 0)
        perror("sem_wait");
    printf("Example\n");
    if(sem_wait(&st) != 0)
        perror("sem_wait");
    if(pthread_join(pt,&res_t) == -1)
        perror("pthread_join");
    if(sem_destroy(&st) != 0)
        perror("sem_destroy");
    return 0;
}

What is the output of this program

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

The files of /proc directory are

Host specific configuration files are installed in

What is the output of this program?

#include<stdio.h>
#include<sys/time.h>
#include<sys/resource.h>
 
int main()
{
    struct rlimit limit;
    if(getrlimit(RLIMIT_DATA,&limit) != 0)
        perror("getrlimit");
    printf("%lu\n",limit.rlim_max);
    return 0;
}

SVR4 was developed by

Which sytem call can be used by a user process to lock a memory so that it cannot be swapped out?

The 'logout' built in command is used to

The compiler converts

The contents of root filesystem is responsible to