What Is the Original Unix Shell?
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The first Unix shell was the Thompson shell, sh, written by Ken Thompson at Bell Labs and distributed with Versions 1 through 6 of Unix, from 1971 to 1975.

How do I know which Unix shell?

Use the following Linux or Unix commands:

  1. ps -p $$ – Display your current shell name reliably.
  2. echo “$SHELL” – Print the shell for the current user but not necessarily the shell that is running at the movement.

What is difference between shell and terminal?

A shell is a user interface for access to an operating system’s services. … The terminal is a program that opens a graphical window and lets you interact with the shell.

Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.

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