By enabling digitized production design, this digital software is freeing up businesses and individuals across numerous ...

The GNOME project continues refining one of its most frequently used applications: GNOME Files (formerly known as Nautilus). Recent development efforts have focused heavily on improving the file ...

Grepping is awesome, as long as you don't glob it up! This article covers some grep and regex basics. There are generally two types of coffee drinkers. The first type buys a can of pre-ground beans ...

In this post I'll show you how to create a self extracting bash script to automate the installation of files on your system. This script requires coreutils (for cat, tail), awk, gzip, tar and bash.

In this article, we explore the optimization levels provided by the GCC compiler toolchain, including the specific optimizations provided in each. We also identify optimizations that require explicit ...

In last month's article, we saw how the Linux input subsystem worked inside the kernel, ending with a quick mention of the event handlers. Each handler essentially provides a different user-space API, ...

Since the 2.0 kernel release, Linux has supported a large number of SMP systems based on a variety of CPUs. Linux has done an excellent job of abstracting differences among these CPUs, even in kernel ...

Linking is the process of combining various pieces of code and data together to form a single executable that can be loaded in memory. Linking can be done at compile time, at load time (by loaders) ...

When working with regular expressions in a shell script the norm is to use grep or sed or some other external command/program. Since version 3 of bash (released in 2004) there is another option: ...

Proper locking can be tough—real tough. Improper locking can result in random crashes and other oddities. Poorly designed locking can result in code that is hard to read, performs poorly and makes ...

Many Linux administrators and support technicians regularly use the top utility for real-time monitoring of their system state. In some shops, it is very typical to check top first when there is any ...