To preserve the benefits of Linux as a development platform while addressing the need for customized versions of Linux, not to mention special-purpose non-Linux kernels, Red Hat Systems has taken a ...

There was a time when, to use a computer, you merely turned it on and were greeted by a command prompt. Nowadays, most operating systems offer a security model with multiple users. Typically, the ...

However, embedded Linux is too memory and processing-intensive for resource-constrained or hard real-time embedded applications. This is where the new PX5 RTOS, an advanced, 5th generation RTOS comes ...

The ELC initiative for a unified open platform for embedded Linux (the ELC Platform Specification) is a watershed event for the embedded industry. One of the most tantalizing promises of Linux for ...

The quest for compatibility and portability is a perpetual challenge in embedded systems. While many systems today have adopted real-time operating systems (RTOS), each is unique and different enough ...

Every RTOS has its own proprietary API, but some also support the POSIX standards. Here's a look at the parts of POSIX that apply to real-time systems. In today's computing systems, it is becoming ...

The access controls typically support inheritance along the lines of the directory hierarchy. We will not delve into all these details but restrict the discussion to the differences of the three ...

Many people say Linux isn't ready for air traffic control, but in reality, it is ready and already is being used. Recently I was involved in a project that ported the ...

The which command will show you the file-system location for a command’s executable. This is the file that is read and run whenever you type the command name. In the example below, there are two or ...

To preserve the benefits of Linux as a development platform while addressing the need for customized versions of Linux, not to mention special-purpose non-Linux kernels, Red Hat Systems has taken a ...