The most arcane shell commands and options are explained with plenty of examples. “Here” documents, a way to feed input to a script or command within the script itself, are explained thoroughly.

Command-line essentials When you ssh into a Unix-like system, the system looks up your user account information and spawns a new shell process based on your preferences. This shell process is then ...

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 ...

Shell scripting is one of those skills that are absolutely invaluable on especially UNIX and BSD-based systems like the BSDs, the two zillion Linux distributions as well as MacOS. Yet not every ...

A file of executable commands for Unix and Linux. Created in a text editor, when the file is run, each command is executed until the end of the file is reached. After the shell script is written, it ...

Windows Terminal is also great for customization. You can change the appearance of the prompts, pick custom fonts, adjust ...

You can execute UNIX commands from your SAS session either asynchronously or synchronously. When you run a command as an asynchronous task, the command executes independently of all other tasks that ...