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Top Forums UNIX for Dummies Questions & Answers How major software is protected? Post 302879242 by Corona688 on Wednesday 11th of December 2013 11:40:57 AM
Old 12-11-2013
Actually writing your application in C or Java, as opposed to using C or Java to obscure a program written in shell, would protect you a lot better.

For one thing, it'd mean they couldn't just trace the shell to get the raw code.

Second, it's very difficult to reverse-engineer C or Java application code. The program text does not exist inside the application you give to your customers(unless you accidentally include debugging information!) so they cannot extract it. All they get are raw CPU instructions or java bytecodes. They don't even get your variable names.

That said, if you're not willing to legally protect your code, you have no weapon against the truly determined. Difficult does not mean impossible.
 

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dxlicenses(8)						      System Manager's Manual						     dxlicenses(8)

NAME
dxlicenses - Adds, lists, issues, and deletes software product licenses SYNOPSIS
/usr/bin/X11/dxlicenses DESCRIPTION
When you buy software, the vendor from which you purchase the software issues an agreement called a license, which gives you authorization to use the product. Most of the information required by the License Manager can be found on the Product Authorization Key (PAK), which is issued by Compaq when you purchase a software license. Use the License Manager application, dxlicenses, to: Add a licensed software product Modify a licensed software product List a licensed software product Issue a modified license product Delete a licensed software product The License Manager application can be invoked from the CDE Application Manager from the following categories: Application Group: System_Admin System Admin Subgroup: Daily Admin In License Manager, online help is available by clicking on any Help button or by using the Help pull-down menu. FILES
The License Manager application executable file The License Manager help volume The Directory containing License Manager application icons The License Manager defaults file that sets the default values for the X resources SEE ALSO
Commands: lmf(8), lmfsetup(8) Software License Management dxlicenses(8)
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