10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Am trying to get child process id for a PID using ksh..
ps -ef | grep xntpd
root 3342472 2228308 0 12:17:40 - 0:00 /usr/sbin/xntpd
root 4522024 6488316 0 12:18:56 pts/0 0:00 grep xntpd
root 6291614 3342472 0 12:17:40 - 0:00 /usr/sbin/xntpd
Here now i... (1 Reply)
Discussion started by: Priya Amaresh
2. Red Hat
My problem is that I am not able to list all process id of any process.
If you see pstree command it shows many process id under https. But if I run ps command its not listing all the process id for httpd.
It is just listing the PPID and immediate child process id only. I... (4 Replies)
Discussion started by: pratapsingh
3. UNIX for Dummies Questions & Answers
I need some help understanding PID and PPID that is shown by the ps -ef output. OS is Solaris 5.8. :wall:
There are several Oracle databases and processes running on this server and they all have the same PPID. Does that mean they are all spawned off the same startup script?
I then... (1 Reply)
Discussion started by: newbie_01
4. Shell Programming and Scripting
I'm looking for a method where we can capture the PID and if possible the progress of child process especially the ones running in background.
can anyone help? (6 Replies)
Discussion started by: aman jain
5. UNIX for Dummies Questions & Answers
I've got a script that needs to check if it was started by cron. The code seems to be right, but it's not running correctly if cron starts it. Am I getting the pid's correctly? I'm not having any luck figuring it out. :confused: Any help is appreciated!
CRON_ID=$(ps -aef | grep... (1 Reply)
Discussion started by: GregWold
6. Shell Programming and Scripting
I am using ZSH shell in Linux.
I am calling a child program in background mode parallely (say 2-3 threads). I have problem in handling the temporary files of these child programs since the temp file names are unique for all the child process.
To distinguish i want to use the pid in the temp... (3 Replies)
Discussion started by: dhams
7. Shell Programming and Scripting
This is not the same as a few of the other posted items dealing with sub-process pids (that I saw anyway).
If zot contains:
echo "main mypid: $$ - lastpid: $!"
echo "block mypid: $$ - lastpid: $! - ppid: $PPID"
ps -ef > xxx
echo "block mypid: $$ - lastpid: $! - ppid:... (6 Replies)
Discussion started by: MichLab
8. UNIX for Advanced & Expert Users
Please look into the following code :
int pid, ppid;
ppid = getpid(); /* Get the parent pid */
pid = fork(); /* Fork */
if ( pid ==0 )
sprintf( command, " gdb a.out %d ", ppid );
printf( "Command line is %s\n", command );
system( command... (3 Replies)
Discussion started by: asvija
Can anybody solve this query?
A parent process forks 2 child processes. How does the child process know it's PID without the parent process sending it.
Apart from the "ps-ef" option, what other options are there if any? (2 Replies)
Discussion started by: skannan
10. UNIX for Dummies Questions & Answers
Is there any build in command in unix to kill all the child process for a given process ID ? If any one has script or command, please let me know.
Sanjay (4 Replies)
Discussion started by: sanjay92