> For the complete documentation index, see [llms.txt](https://blog.syselement.com/tcm/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://blog.syselement.com/tcm/courses/linux-101/2-command-line.md).

# 2. Command Line

### Topics

* What is the command line and getting help on it
* How to use command line arguments and options
* How to read text files

### Sections

1. [Intro to Command Line](/tcm/courses/linux-101/2-command-line/intro-to-commandline.md)
2. [Getting help on the Command Line](/tcm/courses/linux-101/2-command-line/getting-help.md)
3. [Command Line Arguments and Options](/tcm/courses/linux-101/2-command-line/arguments-options.md)
4. [Reading Text Files](/tcm/courses/linux-101/2-command-line/read-textfiles.md)