This post covers some well-known Linux commands that, when used with particular options and arguments, can save you some time or ensure that what you are doing is what you intended. The first “trick” ...

Linux commands often have long lists of options they support, many of which are single-letter mnemonics. These can be tricky to learn and remember, but their redeeming feature is their reusability: ...

The Option key is a powerful ally in the transition from new, beginner user of OS X to the power user that you want to be. There are a ton of hidden features in the Finder alone that are hidden behind ...

The Option key is a fantastic part of Mac OS X, making many features accessible that would otherwise be hidden. We’ve spent a couple of days talking about how to maximize the Option key in your ...

The simplest grep command looks like the one shown below. This “find string in file” command will show all the lines in the file that contain the string, even when that string is only part of a longer ...

From time to time, I find myself needing to handle command-line arguments in Java either for Java-based applications or for main() function implementations that provide a simple testing mechanism ...