Problems with child comunicating with parent on fork() Post: 302188499

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what are parent and child processes all about?

I don't follow what these are... this is what my text says... "When a process is started, a duplicate of that process is created. This new process is called the child and the process that created it is called the parent. The child process then replaces the copy for the code the parent...

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Hi all, i need to execute a program from within my c++ code. This is no problem. system(), fork(), execxy(). But now i want to able to execute the program as another user as the parent process. The whole thing is on solaris. I should be possible for both, users with no shell and no password...

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Hello, How many child processes are actually created when running this code ? #include <signal.h> #include <stdio.h> int main () { int i ; setpgrp () ; for (i = 0; i < 10; i++) { if (fork () == 0) { if ( i & 1 ) setpgrp () ; printf ("Child id: %2d, group: %2d\n", getpid(),...

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Hi, as I understand fork(), it makes a copy of the parent which becomes a child. But is there anyway to make three children for that one parent. So in other words, if I look up the getppid() of the children, I want them to have the same value?? Thanks in advance to any help!

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1. The problem statement, all variables and given/known data: I need to make an program that in a loop creates one parent and five children with fork(). The problem i'm trying to solve is how to delete the parent and child of the child�s process. 2. Relevant commands, code, scripts,...

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fork(), parent and child processes???

Hi friends, I have a small question regarding unix system call fork, I hope you will solve my problem. Here is the small program $ cat fork1.c #include <stdio.h> #include <unistd.h> #include <sys/types.h> int main() { int pid; int x = 0; x = x + 1; pid = fork(); if(pid < 0) {...

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forking a child process and kill its parent to show that child process has init() as its parent

Hi everyone i am very new to linux , working on bash shell. I am trying to solve the given problem 1. Create a process and then create children using fork 2. Check the Status of the application for successful running. 3. Kill all the process(threads) except parent and first child...

LEARN ABOUT CENTOS

grub-render-label

GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME

       grub-render-label - generate a .disk_label for Apple Macs.

SYNOPSIS

       grub-render-label [OPTION...] [OPTIONS]

DESCRIPTION

       Render Apple .disk_label.

       -b, --bgcolor=COLOR
              use COLOR for background

       -c, --color=COLOR
              use COLOR for text

       -f, --font=FILE
              use FILE as font (PF2).

       -i, --input=FILE
              read text from FILE.

       -o, --output=FILE
              set output filename. Default is STDOUT

       -t, --text=STRING
              set the label to render

       -v, --verbose
              print verbose messages.

       -?, --help
              give this help list

       --usage
              give a short usage message

       -V, --version
              print program version

       Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

REPORTING BUGS

       Report bugs to <bug-grub@gnu.org>.

SEE ALSO

       The  full  documentation  for grub-render-label is maintained as a Texinfo manual.  If the info and grub-render-label programs are properly
       installed at your site, the command

              info grub-render-label

       should give you access to the complete manual.

grub-render-label (GRUB) 2.02-2ubuntu8.3                             July 2018                                                GRUB-RENDER-LABEL(1)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

what are parent and child processes all about?

Discussion started by: xyyz

2. Programming

fork() with su (child with other user)

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fork() and child processes

Discussion started by: green_dot

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fork() and child processes

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Fork() 1 Parent 3 Children

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Child Killing Parent

Discussion started by: mark007

7. Programming

To share fd between parent and child

Discussion started by: andrew.paul

8. Homework & Coursework Questions

Need help with deleting child�s parent and child subprocess

Discussion started by: WhiteFace

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fork(), parent and child processes???

Discussion started by: gabam

10. Shell Programming and Scripting

forking a child process and kill its parent to show that child process has init() as its parent

Discussion started by: vizz_k

LEARN ABOUT CENTOS

grub-render-label