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sysctl -A | grep net.ipv4.ip_local_port_range

will give effective port range at any moment.

After reboot if we execute sysctl -p /etc/sysctl.conf system update kernel parameter...

I set parameters in both way given in question . Moreover my startup script /etc/rc.local is taking care parameters of proc file system . So after I reboot what will be the effective range?

In my Linux system ephemeral port range is showing different ranges as follows

$ cat /proc/sys/net/ipv4/ip_local_port_range
32768 61000



cat /etc/sysctl.conf | grep...

Could you please go through the function 'sigqueue'. Is it that you are looking for ?

Try man pages for following functions

sched_setscheduler
sched_getscheduler

You may get answer for your first question.

#include <stdio.h>

void foo(int id, char **first_name, char **last_name)
{
/*
this is just an example to illustrate my problem... real code makes
use of the "id" parameter.
*/
// ...

Why are you using the function in this scenario? By using function calls you are creating the overhead of function call and temporaray object.

We don't Know sir !!

You can put solution also here since it is a discussion forum. Learners are not alwyas pickpocketr's! So don't run away!!

[U16511@maildev c_cpp]$ ./a.out
0123456789015
0012345678901ñ 15[U16511@maildev c_cpp]$ 5

It means nothing related to a string ending 12.

It is a memory managment issue.

Your question is...

Share your findings !! We may be able to learn something out of that!!!

By using following command you may able to idetify system details related to the IPC.

#ipcs -a

Look into the man page of ipcs to get more details

You can use the compiler g++.

Your query is not clear. If you want to know the details of the users connected to the server system you can use the command 'finger'

You can use the command as follows.
#uname -a

Refer the man page of 'uname' for more details.

This is not the place for writing homework for others!!

A fork() Primer (http://beej.us/guide/bgipc/output/html/multipage/fork.html)
Signals (http://beej.us/guide/bgipc/output/html/multipage/signals.html)

Please go thorugh these links. It may be...

#include <string.h>
int main()
{
char *seq1 = "eeeeeeeeeeeeeeeeee";
char *seq2 = "dddddddddddddddddddd";
const char* a = "*";

seq2=(char*)malloc(strlen(seq2)+1);
strcat(seq2,a);...

#include <string.h>
int main()
{
char *seq1 = "eeeeeeeeeeeeeeeeee";
char *seq2 = "dddddddddddddddddddd";
const char* a = "*";

seq2=(char*)malloc(strlen(seq2)+1);
strcat(seq2,a);...

What is your expected output?

yes ,it is possible to use variable as size of an array in C programming

Pls refer man uniq

[U16511@a462uss ~]$ ls -l file3
ls: file3: No such file or directory
[U16511@a462uss ~]$ cat file3
cat: file3: No such file or directory
[U16511@a462uss ~]$ cat > file3
hai
Ctrl C...

Check Feasibility of the option '--mtime' of the command 'find'