1. UNIX for Dummies Questions & Answers

This isn't really a unix question, or even a programming question, but I hope you guys can help. I want to create a program to control the electricity on a model railway. I have created the program to that it sends characters over the serial cable, but now I need to do the switch that will... (1 Reply)

2. UNIX for Advanced & Expert Users

hello gurus, I was wondering if someone would help me shed more light on this command. What I know so far is ipcs - stands for inter-process communication status and it reports on the following types of system resources. 1) Message queues 2) Shared memory and 3) Semaphores Please explain... (4 Replies)

3. Solaris

Hi, Can anyone suggest a Unix command or c-shell algorithm to simulate to behavior of "wall" command minus the "all users"? What I'm trying to do is to send a notice to just one particular user but i dont want other remotely-logged-on users to receive the message (on the pseudo-terminals). I... (3 Replies)

4. HP-UX

HI ALL, I have been trying to install a particular software using remote linux server. some thing like this: rsh <host ID> /usr/sbin/swinstall -x autoreboot=true -s /tmp/<software> <Product name>. The problem is whenever I try to install the product through a shell script the installation... (1 Reply)

5. AIX

hello i'v two aix servers 4.3. last night the goes down becuse electrical f problems. when the servers comes up i've notice that file /unix is gone. i've fix it and the problem fixed. after few hours the same crash becuse elctrical problems. file /unix is there , but now i've a... (0 Replies)

6. UNIX for Dummies Questions & Answers

Hiya Everybody just joined, Not sure if this is the right section:o I require abit of an assistance with IPC! I know there are different types of IPC porcesses like signals, semaphores, mutexes, shared memory, message queues, pipes and sockets. Now say a system has a number of... (4 Replies)