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Hi, everyone.
I need to write a program to get io info based on libperfstat.
But the "write time" of a disk is just half of the value get from iostat.
I'm confused and can't explain. Help please....

Pallavi Tiwari， I think it's all right. (https://www.unix.com/members/302103353.html)

The first child process will still be alive when the parent process kills itself.
(ps: threre are serval errors in your program, but no big deal, I got you)

Yeah, you're right. My problem has solved. Thanks!
I'm not so familiar with unix/linux. At first, I waited a long time for the answer. No body answers or knowns, then I posted the question in...

I have two shared libraries, A, B（B depents on A, both linked with -G option which means they're rtl enable）, B's toc size is bigger than 64K(-bbigtoc), while A's toc size smaller than 64K.
Then I...

Hello, everyone.
Here's a program:

pid_t pid = fork();

if (0 == pid) // child process
{
execvp ...;
}

I send a signal (such as SIGINT) to the parent process, the child process...

OK,I think I'll write a small program to find out what'll happen.
you guys,thanks any way.

yes, then what is the defaut behavior in detail of threse signals?
for example, the default action of TERM is to terminate the process, then my question is what the detail procedures of the default...

yes, then what is the defaut behavior in detail of threse signals?
for example, the default action of TERM is to terminate the process, then my question is what the detail procedures of the default...

en, I mean flush the buffer and then terminate the process.
sometime, some log info will miss if sending a -TERM signal.

which signal will flush the file buffer in C/C++?
eg. send a signal to flush all the file buffer to a file/stdout with out invoking fflush().
-INT, -TERM?
someone please help me, thanks in...

clear! thanks again to all!!!

then, how to determine it's a posix shell or a bourne shell

In our HP-UX, /bin/sh -> /usr/bin/sh

thanks a lot to all of you guys.

en,thaks.
And the 2nd question:
if we say sh, does that mean the earliest shell on Unix, I mean the real file?

Hi, I'm confused about sh. someone help me.Thanks!

Question:
1. sh is a real file or just a link to other shells suck as bash ksh, on Unix/Linux such as AIX HP-UX Solaris Redhat? How to find it...