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Shell Programming and Scripting
fork in perl
Post 302602433 by balajesuri on Monday 27th of February 2012 10:52:26 AM
02-27-2012
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#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#define MAX_COUNT 200
#define BUF_SIZE 100
void main(void)
{
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int i;
char buf;
fork();
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hi all
About this code
for (i = 1; i < n; i++)
if ((childpid = fork()) <= 0)
break;
I really can't understand the output .
and the way fork () return the value .
how about the process Id ,the child process Id and the parent ID
in this case
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my target
--------------
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I'm trying to run a simple test on how to use fork(), i'm able to execute the child process first then the parent, but how can I execute parent then child..?
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Hi,
I am breaking my head to understand the below line of code in perl:
next if $pid = fork; # Parent goes to next server.
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LEARN ABOUT HPUX
ftphosts
ftphosts(4) Kernel Interfaces Manual ftphosts(4) NAME
ftphosts - ftpd individual user host access file SYNOPSIS
DESCRIPTION
The file is used to allow or deny access to certain accounts from various hosts. Access Capabilities The formats to allow and deny access are described in this section. addrglob [ addrglob... ] Only allow host(s) matching addrglob to log in as username. addrglob is a globbed domain name or a globbed numeric address. addrglob [ addrglob ... ] Always deny host(s) matching addrglob to log in as username. addrglob is a globbed domain name or a globbed numeric address. A username of or specifies the anonymous user. The addrglob can also be specified as address/cidr or address:netmask. For example: or Specifying Both allow and deny Rules To allow a user to login from anywhere except the listed hosts, both allow and deny rules are required. The following example denies the user from logging in from the host but allows login from all other hosts: EXAMPLES
Allow the user, to login from the host named and from all hosts with numeric addresses starting with Deny (do not allow) the user, to login from the host named and from all hosts with numeric addresses starting with Allow the user, to login from the host named FILES
AUTHOR
was developed by the Washington University, St. Louis, Missouri. SEE ALSO
ftpd(1M), ftpaccess(4), ftpconversions(4), ftpshut(1). ftphosts(4)