This document provides information and resources for evaluating the performance of a Linux system administrator. It includes sample evaluation forms, performance review phrases, and descriptions of common performance appraisal methods. Specifically, it discusses 12 different performance appraisal methods including management by objectives, critical incident method, behaviorally anchored rating scales, behavioral observation scales, 360 degree feedback, and checklist methods. The forms and phrases can be used to structure performance evaluations and provide constructive feedback. The discussion of appraisal methods provides guidance on different approaches to assessing an employee's work.