# Week 4 overview
## Learning Objectives:
1. Use of the `pipe` (`|`) operator
1. Use of the `chmod` command
1. Shell scripting

## HW1: Assigned on Tuesday, Feb. 6; Due Tuesday, Feb. 13, start of class
[Link to Google Document for HW1](https://docs.google.com/document/d/1HbowtLCLspYt3XAmfDO7sGqdwxL_VgVSQEL428ScXws/edit?usp=sharing)