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What's Next

As a summary, what can I say? We started out in first grade with

_ + 3 = 5

and advanced to defining what went in place of the blank space with a variable. Along the way, we looked at how to assign and access the two types of variables allowed in shell programming—scalars and arrays.

Remember, if a variable is read-only, do not attempt to change it; just put your keyboard down and back away slowly!

In Chapter 4, "Regular Expressions," you look at one of the most powerful ways of manipulating values. You explore regular expressions and delve into pattern matching.

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Collection and Use of Information


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Customer Service

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Other Collection and Use of Information


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Web Analytics

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Do Not Track

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Security


Pearson uses appropriate physical, administrative and technical security measures to protect personal information from unauthorized access, use and disclosure.

Children


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Marketing


Pearson may send or direct marketing communications to users, provided that

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Correcting/Updating Personal Information


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Sale of Personal Information


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While Pearson does not sell personal information, as defined in Nevada law, Nevada residents may email a request for no sale of their personal information to NevadaDesignatedRequest@pearson.com.

Supplemental Privacy Statement for California Residents


California residents should read our Supplemental privacy statement for California residents in conjunction with this Privacy Notice. The Supplemental privacy statement for California residents explains Pearson's commitment to comply with California law and applies to personal information of California residents collected in connection with this site and the Services.

Sharing and Disclosure


Pearson may disclose personal information, as follows:

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Links


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Requests and Contact


Please contact us about this Privacy Notice or if you have any requests or questions relating to the privacy of your personal information.

Changes to this Privacy Notice


We may revise this Privacy Notice through an updated posting. We will identify the effective date of the revision in the posting. Often, updates are made to provide greater clarity or to comply with changes in regulatory requirements. If the updates involve material changes to the collection, protection, use or disclosure of Personal Information, Pearson will provide notice of the change through a conspicuous notice on this site or other appropriate way. Continued use of the site after the effective date of a posted revision evidences acceptance. Please contact us if you have questions or concerns about the Privacy Notice or any objection to any revisions.

Last Update: November 17, 2020