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At this point, you can put this script in a cron job to automate its run. To do so, it's 
best to put the script in a central location where it can be found, such as in 
/usr/
local/bin
:
mv backup.sh /usr/local/bin
You can consider creating a cron job for this script to be run periodically. We'll cover 
that in 
Chapter 7
, 
Controlling and Monitoring Processes
, which is the very next chapter. 
With a cron job, you can set up various tasks to run at different times in order to 
make your server essentially do your work for you.
Summary
In this chapter, we dived into a number of more advanced concepts relating to shell 
commands, such as redirection, Bash history, command aliases, some command-line 
tricks, and more. Working with the shell is definitely something you'll continue to 
improve upon, so don't be worried if you have any trouble committing all of this 
knowledge to memory. After over 18 years working with Linux, I'm still learning 
new things myself. The main takeaway in this chapter is to serve as a starting point 
to broaden your command-line techniques, and also serve as the basis for future 
exploration into the subject.
In the next chapter, we'll take a look at managing processes, which will include job 
management, taming misbehaving processes, and more. See you there!
Further reading
•  Comparison operators for Bash: 
http://tldp.org/LDP/abs/html/comparison-
ops.html
•  Commandlinefu: 
https://www.commandlinefu.com/commands/browse
•  Bash reference manual: 
https://www.gnu.org/software/bash/manual/html_
node/index.html#SEC_Contents

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