quartz/content/notes/unix-shell.md
2022-04-06 23:47:24 +12:00

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---
title: "unix-shell"
tags:
- cosc202
---
# unix-shell
- most common command shell (macOS, linux, android, ios)
- bash is another common shell
- windows shells:
- cmd.exe (legacy)
- powershell (more powerful than bash)
- many ways to run bash
## 1 Unix shell good/bad
- good
- embodies unix principle: separation of concerns
- minimal -> shell just manages interaction of other small tools
- highly programmable; supports complex automation
- bad
- has quirkiness that can trip everyone up
- tradeoffs
- Shell can be perfect to some tasks; terrible for others
- extremely powerful however also difficult to learn to use
shells are in cosc202 as lowest-level, common means for controlling computers during software development