Using !!
This command is used to bring back and automatically execute the last command in history. It is the same as pressing C^P followed by Enter). Here’s an example:

debian$ cat /etc/debian_version
5.0.7
debian$ !!
cat /etc/debian_version
5.0.7

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The first TuxArena PDF ebook “Introduction to Linux Command-Line for Beginners” is now available completely free as a Christmas gift! You can read it online here or download the PDF version.

The guide covers the following topics:

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