At a basic level, parameter expansion means changing Bash syntax into a value—expanding it. For example: You can change the ...

It's almost impossible to think of Linux without the terminal. This relationship spans decades, and for good reason. Scripting for automation, clarity with pipes, and the speed and control the ...

A compilation of 100 examples of biological tilings shows how repeated natural motifs enhance strength, flexibility and other key functions.

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Thomas J Catalano is a CFP and Registered Investment Adviser with the state of ...

Medical Readiness Command, West provides regionally ready, globally responsive medical forces, health service support and force health protection to conserve the fighting strength; enable the ...

Pattern formation is the developmental process by which cells acquire different identities, depending on their relative spatial positions within the embryo. Pattern formation ensures that tissues and ...

A central pattern generator (CPG) is a neuronal network in which interconnected excitatory and inhibitory neurons produce an oscillating, rhythmic output in the absence of sensory feedback. CPGs play ...

Jennifer Simonson is a business journalist with a decade of experience covering entrepreneurship and small business. Drawing on her background as a founder of multiple startups, she writes for Forbes ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Cron persistence is a common Linux malware technique. Learn how it works, how to detect it, and how to remove malicious cron ...