10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi, I'm playing with KSH
I entered following command in terminal
{ echo "stdout" >&1; echo "stderr" >&2; } > out
And I get only stoud in a new file out.
My question is: Where did my stderr vanish ? (5 Replies)
Discussion started by: solaris_user
5 Replies
2. UNIX for Dummies Questions & Answers
What is the difference between a file descriptor and a semaphore?
My basic understanding is:
- a file descriptor is a small positive integer that the system uses instead of the file name to identify an open file or socket.
- a semaphore is a variable with a value that indicates the... (1 Reply)
Discussion started by: Mr_Webster
1 Replies
3. HP-UX
Hi,
I speak and write english more or less, so I hope my asking be clear.
:)
In the company I am working, they are using control-m software to lunch
shell scripts.
So i put this command in all shell scripts:
export LOGFILE_tmp=$PRODUC_DATA/tmp/${SCRIPT}_${PAIS}_`date... (0 Replies)
Discussion started by: anamcara
0 Replies
4. UNIX for Dummies Questions & Answers
Is it possible to write to file descriptor 0 and read from 1 or 2? How could this be implemented? (3 Replies)
Discussion started by: machshev
3 Replies
5. UNIX for Dummies Questions & Answers
hello,
I have written a script named listall.sh with the following codes init.
#!/bin/bash
PATH="/proj/cmon/$1"
echo $PATH
if ; then
echo "Usage: $0 ***"
exit 1
else
ls -l $PATH/*.sc
fi
Here there are 3 subdirectories (namely - src, data and jobs)under /proj/cmon, so... (2 Replies)
Discussion started by: shyjuezy
2 Replies
6. UNIX for Advanced & Expert Users
Hi All,
This thread is going to be a discussion basically bringing out more information from the experts on cron jobs and the associated file handles.
So, here is the question.
There is definitely a constant ' n ' as the maximum number of file handles alloted to a process ' p '.
Will... (7 Replies)
Discussion started by: matrixmadhan
7 Replies
7. Programming
I am in a Systems programming class this semester, and our current project is to write a program utilizing sockets and fork. For the project, I decided to make my own instant messaging program. I have the code completed, but I have a problem that keeps old clients from communicating with new... (3 Replies)
Discussion started by: gstlouis
3 Replies
8. Shell Programming and Scripting
I have a script that creates a KSH co-process for Oracle sqlplus and I am presently interacting with it via print -p and read -p.
I also need to interact with another Oracle database what isn't permitted to have any direct connection to the first. Presently, I simply disconnect from the first... (10 Replies)
Discussion started by: tmarikle
10 Replies
9. UNIX for Dummies Questions & Answers
i m trying to learn processes in unix and i've been reading this but i don't quite get it. its regarding file descriptors. : each is a part of file pointers, they point to another area. indexes into an Operating system maintained table called "file descriptor table". one table per process. may... (3 Replies)
Discussion started by: a25khan
3 Replies
10. UNIX for Advanced & Expert Users
Hello all,
A few questions on file descriptors ...
scenario : Sun Ultra 30 with Sun OS 5.5.1 , E250 with Solaris 2.6
In one of my servers, the file descriptor status from the soft limit and hard limits are 64 and 1024 respectively for root user.
Is the soft limit (64) represents the... (3 Replies)
Discussion started by: shibz
3 Replies