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Security and the Linux process In his latest entry, Dana asks whether the Linux process is insecure, because it's not possible to warn the "vendor" before warning the general public about security ...

The Linux operating system is powerful and flexible, able to run in several different modes of operation called run levels. When a Linux system starts, a function called "init" is used to configure ...

Linux tip: Many users are all too familiar with using Ctrl+Alt+Del (or, on a Mac, Cmd+Opt+Esc) to kill unresponsive processes. There isn't a comparable keyboard shortcut for Linux by default, but a ...

The ps command that we all use to list processes has some interesting options that many of us never take advantage of. While the commonly used ps -ef provides a complete listing of running processes, ...

One of the simplest ways to run a command in the background is by appending an ampersand (&) at the end of the command. This method instructs the shell to execute the command as a separate background ...

In Linux kernel programming, there are numerous occasions when processes wait until something occurs or when sleeping processes need to be woken up to get some work done. There are different ways to ...

One would expect that doubling the processing power available to an application would double the application performance or cut the run time in half. Unfortunately, HPC users know this is far from ...

Red Hat released a new test version of its Linux operating system on Monday along with a new development process that's designed to include outside programmers. The Raleigh, N.C.-based company has ...