Final answer:
CodeScan is a linter tool for Salesforce that identifies bugs, establishes coding standards, and measures code quality. It analyzes Visualforce pages, Triggers, and Batch Apex code in addition to Apex Classes.
Step-by-step explanation:
CodeScan is a tool that assists development teams in enhancing their code quality. Specifically, it is a linter for Salesforce development, which serves the purpose of identifying bugs, setting coding standards, and evaluating the overall quality of the code. In addition to Apex Classes, CodeScan is capable of analyzing Visualforce pages, Triggers, and Batch Apex code.