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-rw-r--r--doc/development/shell_commands.md6
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# Guidelines for shell commands in the GitLab codebase
+## References
+
+- [Google Ruby Security Reviewer's Guide](https://code.google.com/p/ruby-security/wiki/Guide)
+- [OWASP Command Injection](https://www.owasp.org/index.php/Command_Injection)
+- [Ruby on Rails Security Guide](http://guides.rubyonrails.org/security.html) section 7.7
+
## Use File and FileUtils instead of shell commands
Sometimes we invoke basic Unix commands via the shell when there is also a Ruby API for doing it.