Welcome to old-style Internet access -- souped up for your surfing pleasure! In this chapter I take you on a fast flight through the few Macintosh programs that can work over a Unix command-line ...

One particular frustration with the UNIX shell is the inability to easily schedule multiple, concurrent tasks that fully utilize CPU cores presented on modern systems. The example of focus in this ...

GUIs are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system (and your keystrokes), you owe it to yourself to get ...

In one of my classes we're creating a shell in C. I've got everything working except how to store local variables. <BR><BR>global variables are being stored in "extern char** environ" and right now ...