Lab
A Cloud Guru

Command Piping and Redirection

In this hands-on lab, we will use piping and redirection to populate a file with the specific results of commands. Understanding piping and redirection takes practice, and in this lab you will practice both to populate a file using redirection with data process with piping. By the end of this lab, you should be comfortable piping output from one command to another, and redirecting the output to a file.

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Path Info

Level

Beginner

Duration

45m

Published

Jun 21, 2019

Challenge

Determine the Number of Files and Folders in `/usr/share`
1. Run the following commands:
```
ls /usr/share/ | wc -l
```
```
ls /usr/share/ | wc -l > ~/value.txt
```

Challenge

Determine the Number of Unpacked Entries in `/var/log/dpkg.log`

Run the following commands:

cat /var/log/dpkg.log | grep unpacked | wc -l

cat /var/log/dpkg.log | grep unpacked | wc -l >> ~/value.txt

Challenge

Determine the Total Number of Entries in `/var/log/dpkg.log`
1. Run the following commands:
```
cat /var/log/dpkg.log | wc -l
```
```
cat /var/log/dpkg.log | wc -l >> ~/value.txt
```

Author

A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.