1. UNIX for Dummies Questions & Answers

Can anyone explain me what mutexes are in multithreading environment? (2 Replies)

2. Shell Programming and Scripting

Hi folks, In our product installation program we edit xml files by deleting lines and appending new lines instead of them. For example: update_Log4plsql_xml() { machineName=`uname -n` hostIP=`cat /etc/hosts | grep ${machineName} | cut -f1` trap 'clean_up | tee -a $installLog ; exit' 1 2... (0 Replies)

3. Linux

Well Acording to my job... Anyhelp plz. I need some basic scripting stuff. (3 Replies)

4. Programming

Hello I need to translade the power of unix command shell (grep, sed, awk, wc, etc..) to windows. In my work every day I administrate 15 unix server ans 18 windows server, and I have the problem the absolutly limitation of windows shell. I´m a system administrator but I know programming. I... (2 Replies)

5. Programming

I am trying to use mutex in my multi-tread project, but they don't seem to work. I have created a simple demonstration of the problem. This is NOT how I would use a mutex, only a demonstration of the problem: #include <stdio.h> #include <pthread.h> int main() { int val; ... (3 Replies)

6. Shell Programming and Scripting

Hi... i need to write a shell script wich shows the full name and station of every logged user in the system. pls help! (1 Reply)

7. Shell Programming and Scripting

I'm working on a program in with shell programming and it needs to be able to delete the contents of files in the Home directory on certain days of the week.(like tuesday). Can anyone help me with this? Thanks in advance, Taffy. (7 Replies)

8. Shell Programming and Scripting

How would you make sure that a shell script (or a portion thereof) does not run (it waits or it terminates with error) when another instance of it is already running? (11 Replies)

9. Programming

hi all, i have a table with employee details like his name,addr,DOB etc. i need a shell program which takes one date as input from user and print the employees whose DOB is less than that date. in sql package the select query is written (2 Replies)

10. Homework & Coursework Questions

1. The problem statement, all variables and given/known data: Write a Shell script to automatically check that a specified user is logged in to the computer. The program should allow the person running the script to specify the name of the user to be checked, the frequency in seconds at... (5 Replies)