Top "System" questions

How to increase the limit of "maximum open files" in C on Mac OS X

The default limit for the max open files on Mac OS X is 256 (ulimit -n) and my application needs about 400 …

c macos system ulimit

Using chdir to change working directory in c

I'm fairly new to C,and seem to have hit a wall. Am I passing this argument to change working …

c unix system chdir

Document Management System with PHP & MySQL

I want to find an application documents management system web-based. with PHP and MySQL. I've tried alfresco, but it's based …

php mysql system document document-management

Issuing native system commands in Scala

I want to issue a native system command from a Scala program, and perhaps trap the output. ("ls" comes to …

scala system command

PHP exec/shell_exec/system not working through browser

I am running an SCO Unix box with apache version 1.3.33 and PHP version 4.4. I can properly execute the exec command …

php apache system exec shell-exec

Forming sanitary shell commands or system calls in Ruby

I'm building a daemon that will help me manage my server(s). Webmin works fine, as does just opening a …

ruby security shell system sanitization

Capture both exit status and output from a system call in R

I've been playing a bit with system() and system2() for fun, and it struck me that I can save either …

linux r system call

Linux C: upon receiving a signal, is it possible to know the PID of the sender?

Suppose my C program handles SIGUSR1. When it receives this signal, is it possible to know who sent it? I.…

c linux signals system ipc

return code of system()

#include <stdlib.h> #include <string.h> #include <stdio.h> int main() { int res = system("…

c unix system ps

Why should the system() function be avoided in C and C++?

I have seen a lot of people on forums telling to avoid the system() function, like system("cls"). I don't …

c++ c system