1. UNIX for Dummies Questions & Answers

:confused: some one please tell me where i can possibly find out what is unix 10.2 and the basic system functions of it is. I really need help! (1 Reply)

2. UNIX for Dummies Questions & Answers

Good day, everyone! Could anybody explain me the following situation. If I'm running similar script: Var="anna.kurnikova" Var2="Anna Kurn" echo $Var | tr -t "$Var" "$Var2" Why the output is : anna KurniKova instead of Anna Kurnikova? :confused: Thank you in advance for any... (2 Replies)

3. UNIX for Dummies Questions & Answers

I come across an entry in cron which is in such: 0 * * * * What is the first 0 indicating? 0 minute? meaning a script cron as such will run every minute? :confused: (2 Replies)

4. Programming

Hi, I was trying to learn forking in C in UNIX. Somehow i still haven't been able to get the concept well. I mean, i do understand that fork creates an exact replica of the parent (other than the fact that parent gets the process id of the child and child gets 0 when fork is called). This is the... (2 Replies)

5. Programming

Hi In the following code, why the variable 'i' still retains the value 10 instead of 11? Why it is not possible to alter this variable's value? int main() { const int i = 10; *(const_cast<int*>(&i)) = 11; cout << i << endl; // Ans: 10 } (6 Replies)

6. Homework & Coursework Questions

I don't even know where to start with this one. There is so much out there about different aspects of this. I am starting with a basic Ubuntu 11.04 install. Do I need to configure a DNS? I am a little confused about that. What do I need to do for a domain name? I have followed various tutorials,... (1 Reply)

7. Shell Programming and Scripting

Hello All, I have a problem in counting number of process getting run with my current script name.. Here it is ps -ef | grep $0 | grep -v grep This display just one line with the PID, PPID and other details when i print it in the script. But when I want to count the numbers in my... (11 Replies)

8. Shell Programming and Scripting

hi i am new to shell scripting. i was going thru the part option and arguments. on this section i fail to understand the use of exit 0 in below example . #!/bin/sh USAGE="Usage: $0 " case "$1" in -t) TARGS="-tvf $2" ;; -c) TARGS="-cvf $2.tar $2" ;; *) echo "$USAGE" exit 0 ;; esac... (13 Replies)

9. Shell Programming and Scripting

Hi folks, If a declare a direct hash , then the hash element works fine. my %test = ("test",1); print %test; print "\n"; Here in the above, the name of the hash is predeclared... Suppose now I need to create the hash elements dynamically in the for loop. $test="hash"; my... (1 Reply)