Drew DeVault • 2/5/2018

Introduction to POSIX shell

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This article introduces the POSIX shell (/bin/sh), explaining it as a standardized version of the Bourne shell that ensures script portability across Unix-like systems. It argues for using POSIX shell over Bash for scripts to avoid 'bashisms' that tie software to GNU/Linux, discusses the importance of portable coreutils, and offers practical tips for writing compliant scripts.

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#bash #unix #Shell Scripting
Introduction to POSIX shell

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