Working on the command line is an integral part of being a successful Linux user. You need to have a firm grasp of certain commands to work effectively. There are even certain commands that you must ...

AWK is a pattern-scanning and processing language that searches one or more files for records (usually lines) that match specified patterns. It processes lines by performing actions, such as writing ...

The following excerpt is from chapter 3, User-Level Memory Management, of Arnold Robbins’ book Linux Programming by Example: The Fundamentals, Prentice Hall PTR; (April 12, 2004), used with permission ...

For most of us who didn’t do well in high school English class, spell checkers are a real game-changer. Sure, you can still swap a “to” and a “too,” but a spell checker will catch a lot of typos. But ...

The find command is one of the strangest Linux programs you’ll use. It’s essential enough to be omnipresent, yet obscure enough to be nobody’s favorite. Alternatives like fd exist, but find is a ...

I know C++, but for windows, and I have not programmed it in quite a while. But I'd like to learn how to program C++ on the linux platform. Can someone point me in the right direction? Since most ...

The Unix underpinnings of Mac OS make it feel familiar and accessible to programmers used to working in Unix-like environments. Apple’s Xcode IDE and other development tools are thoughtfully crafted ...

Linux is constantly evolving, and with it the tools that its fans use on a daily basis. However, some of the classics such as iptables , which has been replaced by nftables , are now not only outdated ...

As Terry Lambert, the developer behind Linux ancestor Unix, once said, "It is not Unix's job to stop you from shooting your foot. If you so choose to do so, then it is Unix's job to deliver Mr. Bullet ...

There was a time when embedded system developers didn’t need to worry about graphics. When you have a PIC processor and two-line LCD, there isn’t much to learn. But if you are deploying Linux-based ...