processes

Mastering the Linux Shell : Killing Processes and Dire Warnings

Today's installment of Mastering the Linux Shell comes with a warning. Actually, it comes with a few warnings. .And a viewer advisory. Well, actually a reader advisory. 

Mastering The Linux Shell - Processes

So what constitutes a process on your Linux system?  The short answer is : Everything

In your long and illustrious career as Linux gurus, you are going to hear a lot about processes, process status, monitoring processes, or even killing processes. Gasp! Reducing the whole discussion to its simplest form, all you have to remember is that any command we run is a process.  Processes are also sometimes referred to as jobs. 

The session program which executes our typed commands (the shell, or terminal if you prefer) is a process.  The tools I am using to write this article such as my desktop, the browser, the server somewhere out on the internet . . . these are creating several processes and sub-processes.  Every terminal session you have open, every link to the Internet, every game you have running, the little clock in the corner; all these programs will generate one or more processes on your system.  In fact, there can be hundreds, even thousands of processes running on your system at any given time.   To see your own processes, try the following command.

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