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Hands-On Data Science with the Command Line

You're reading from   Hands-On Data Science with the Command Line Automate everyday data science tasks using command-line tools

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Product type Paperback
Published in Jan 2019
Publisher Packt
ISBN-13 9781789132984
Length 124 pages
Edition 1st Edition
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Authors (3):
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Jason Morris Jason Morris
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Jason Morris
Raymond Page Raymond Page
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Raymond Page
Chris McCubbin Chris McCubbin
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Chris McCubbin
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Toc

Navigating the command line

There's a couple of useful tricks for navigating the command line that, while optional, will improve your quality of life. This section has a selection of those tricks.

Bash, by default, saves the history of your commands. It will even save the history across sessions. This can be extremely useful because sometimes we make a small mistake and don't want to retype an entire command, or we want to repeat the same commands over and over. To see your history, type this command:

history

The following is what you should see on running the preceding command:

You can see that there is a numbered list of output commands. To repeat a numbered command, you can use the bang character, !. !<number> will repeat the number command verbatim:

!10

The following is what you should see on running the preceding command:

A double bang, !!, will repeat the...

You have been reading a chapter from
Hands-On Data Science with the Command Line
Published in: Jan 2019
Publisher: Packt
ISBN-13: 9781789132984
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