dash

Lesson in the Shell / Bash Roadmap · Stage 2: Popular Shells

Last updated 14 September 2026

What is dash?

dash (Debian Almquist Shell) is a Unix shell that is smaller, faster, and requires fewer resources compared to Bash. It's often used as the default /bin/sh on Debian-based systems and is designed to be POSIX-compliant, focusing on speed and efficiency in script execution. This makes it suitable for boot scripts and other system-level tasks where resource usage is critical.

Study this in the interactive course See the whole Shell / Bash roadmap

Free resources to learn dash

dash: common questions

Can I learn dash in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain dash in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this dash tutorial for beginners?

It is lesson 6 of 166 in the free Shell / Bash roadmap, in stage 2, Popular Shells. If you are new to Shell / Bash, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.