# Week 3 overview
## Learning Objectives:

1. Linux command line shell continued:

    a. Command output *redirect* (`>`) and *append* (`>>`)

    b. **grep** command options

    c. **chmod**

    d. The **weather** command-line program

    e. Another way to redirect output from a command: the *pipe* (`|`) operator

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## Class notes:

### Jan. 31

#### Activities:

Go to your **atm350** directory

In your atm350 directory, make a directory named *230131*

Copy all the files ending in `.txt` from **/spare11/atm350/common/jan31** into  your **230131** directory

### Feb. 2

#### Activities:

Go to your **atm350** directory

In your atm350 directory, make a directory named *230202*

Copy all the files ending in `.txt` from **/spare11/atm350/common/feb02** into  your **230202** directory


#### Assignments:

[Homework 1](https://docs.google.com/document/d/1st5iuX-o-SSor1fXDEftqXbDsOUkcfyJqy2KYn73WSw/edit?usp=sharing): **Due Tuesday, Feb. 7, 3:00 PM**