In plain old make you use them the same way you use curly braces in shell scripts. If it is in a shell script, then the the parenthesis signify subshell evaluation.

Practical App PowerShell: An In-Depth Scripting Crash Course This extended Windows PowerShell column will jump-start your knowledge of this powerful technology. By Don Jones 12/01/2011 More of you ...

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t pres… ...

As an example, here’s [calebccf] with an emulated 6502 system in a busybox ash shell script. What’s in the emulator? A simple 6502 system with RAM, ROM, and an emulated serial port on STDIO.

Shell scripting is a lot more powerful than many people realize. With the right commands, shell scripting can automate many tasks and even make life easier for the user. Here's why you shouldn't ...

Check out the Shell Style Guide on GitHub to get started. Also, Apple has a document on shell script security that's also well worth a read. Be careful out there! A little extra time making sure your ...

At times, we need to write shell scripts that are interactive and user executing them need to monitor the progress. For such requirements, we can implement a simple progress bar that gives an idea ...