If you’re a beginner, it may take years before you encounter these simple tricks. In five minutes, I can make you better.

Anything your command line can do, at the click of a button.

One of the most powerful features of Unix and Linux is that using traditional command line tools, everything is a stream of bytes. Granted, modern software has blurred this a bit, but at the command ...

This article is reprinted from the book A Practical Guide to Linux Commands, Editors, and Shell Programming 3rd edition, with permission of the author and publisher ...

Shell builtins are commands that are loaded into memory when a shell — such as bash, sh, or zsh — is invoked. The reason for this is that keeping these commands in memory helps ensure that these ...

Linux built-ins are commands that are built into the shell, much like shelves that are built into a wall. You won’t find them as stand-alone files the way standard Linux commands are stored in ...

PowerShell is one of Microsoft's preferred tools for managing Windows Servers. Although it's easy to think of PowerShell as a local management tool, PowerShell can just as easily be used to manage ...

Since 2006, Microsoft has been bundling the PowerShell command-line shell that administrators can use to manage their computers and other computers on a network. "Windows PowerShell is a Windows ...