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Shell Programming and Scripting
fork in perl
Post 302602423 by Corona688 on Monday 27th of February 2012 10:29:48 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)
{
pid_t pid;
int i;
char buf;
fork();
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Hello all.
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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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Hi everybody,
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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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using C plz (2 Replies)
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Hi,
I am breaking my head to understand the below line of code in perl:
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LEARN ABOUT DEBIAN
isdnbill
isdnbill(1) Linux System Commands isdnbill(1) NAME
isdnbill - report isdn costs DESCRIPTION
isdnbill is a simple and imperfect utility to show the bill for ISDN calls. Note that it is only for indicative purposes! It works best in Germany, and even then there are no guarantees. Consider its use for educational purposes only... For better results, use isdnrep. OPTIONS
-V show version -a show all connections -e show incomplete calls -f recalculate costs _always_ -i show incoming calls -m prices without VAT -n do _not_ replace numbers with aliases -o show outgoing calls -t show only current connections -vn verbose level n -Nnnn show only calls with the specified number -I show only calls on the internal S0 bus -E show only calls on the external S0 bus FILES
/var/lib/isdn/calls or /var/lib/isdn/calls isdnlog log file with information about all calls. /etc/isdn/isdn.conf general configuration /etc/isdn/callerid.conf aliases for telephone numbers SEE ALSO
isdnlog(5) isdnlog(8) isdnrep(1) AUTHOR
This manual page was written by Paul Slootman <paul@debian.org>, for Debian GNU/Linux. ISDN 4 Linux 3.25 2003-10-14 isdnbill(1)