Homework 6 - Sebastian Calleja

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Shell Utilities

1. cd

• Takes a directory name as the argument and switches into that directory

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2. Alias

• Allows you to create keyboard shortcuts (aliases) for commonly used commands

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3. * (wildcards)

• Wildcards allow you to search certain words or file types by serving as place holders. For example, I wanted to list out all of the csv files in my directory. By adding the typing ls *.csv it listed anything with the extension regardless of the file name.

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Program Installation:

I already had this program installed on my computer, but wanted to highlight it. I installed VirtualBox, which is a program that allows you to ‘extend’ your computer and run multiple operating systems. I personally installed this program to be able to install singularity, which is program that allows for building and running containers.

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HW from Class:

I downloaded, unzipped, and viewed the data file provided via a link on the class slides.

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I used the      ls -lh ch*      command to list out the space used by each file in the directory that begins with ch.

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Playing around with cowpy:

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