As a programming language, it contains control-flow primitives and string-valued variables. As a command language, it provides a user interface to the process-related facilities of the UNIX operating ...

Semantics-driven static analysis could be used to improve the safety, correctness, and performance of Unix, Linux, and macOS shell scripts, researchers say.

The program is named Shell because it is the outermost layer of an operating system. The shell acts as a communication medium between a user and an operating system. While PowerShell uses a ...