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On Solaris OS, We use the following command to config the multicast address for NIC in order to process the multicast packets:
# route add 228.228.228.228 10.101.10.2
Where " 228.228.228.228 "...

C/C++ functions or some implementations, not cmd or tools.

Hi there,
are there any functions that can get the packets statistics on UNIX ?
thanks.

hope response, thanks.

In our concurrent tcp server program, once the connection comes, the program create a thread to process acception. When the client exit, the server closed socket and the thread exited, the problem is...

Hello,there
here is my code about semphore, when calling it in the program,sometimes result in the deadlock of semphore, but I can not find it, anyone can point some bugs and give some suggestion?...

Hi, there,
I want to excute the remote command shell via "remsh", are there any simple or best way to get the result of remote shell from local ? thanks.

on the system, sometimes the rlogin command can not login the remote node,but ping command can echo the packet. if the inetd domean restarted , rlogin runs normally. We want to know what cause the...

The filename preceded with pound sign (#), such as:
#hosts,#ntp.conf, #myprog, etc.

Once the opendir() or readdir() encounters the above format filename, the operation exit and can not look...

Thanks, I'll try it.
Here is another question:
On HP-UX, how the file with the # character at the beginning generate and how to avod it?

On HP-UX, in application, if the process id has been get with the getpid() and sotred in database, then other monitor process want to check it if the process is existed, are there any system function...

we developed a set of system V semphore interface for our application, in general, all of them work normal, seldom cause the deadlock. Here are some important sem_wait and sem_post interface, pls...

The rdist command script is called in the program to synchronize the updated files, I wonder whether the rdist returned can be fetched or not from the program?

When the system shutdown and startup, the login window can not start normally and often display as character mode, I have uncomment the last line in the /etc/dt/config/Xservers file as the following,...

first of all, thanks you of all. I have download a tool set named "busybox",from which I can find the common UNIX commands source code, such as ps,ping,top, etc.we analysize their implementations...

I have login in,but does it have something to do with system performace?

Anyone know how to fetch the system performance information by the function except the system command? These information includes CPU load,memory usage,network load,disk capacity,etc.

I checked it, actually being my fault, it's /bin/sh.

HOME is used in user's .profile. Here redefined this variable for confirming. there is nothing to do with this, I can comment it. What I want to do is make sure the path of .profile is correct and...

"#!/sbin/sh" told the system the current shell is :/sbin/sh.

we do not want to put all environment variables in the rsh command line as you show. So we edit a shell script named shell-script on...

Because the command required many environment variables which are defined in the specify user's profile:.bash_profile, we create a executed scripts.First in scripts, we want to execute .bash_profile...

we want to execute remote script via rsh (we just only should use rsh except others),but rsh command can not set environment variable for specify user, then scripts can not be executed...

Thanks Perderabo, "exec > /dev/null 2>&1" works ok!

On HP-UX, we add some our autostart scripts in the system script under /sbin/rc*.d directory. The output of application is redirected to /dev/null in our script,but once the application has been...

thank you very much!