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Provide comprehensive techniques for escalating privileges from a low-privileged user to root/administrator access on compromised Linux and Windows systems. Essential for penetration testing post-exploitation phase and red team operations.

Provide comprehensive techniques for escalating privileges from a low-privileged user to root/administrator access on compromised Linux and Windows systems. Essential for penetration testing post-exploitation phase and red team operations.

JUnit 5 patterns for testing utility classes, static methods, and pure functions without mocking complexity. \n \n Covers testing strategies for string manipulation, calculations, collections, data validation, and format utilities with edge case and boundary condition handling \n Uses AssertJ assertions for readable test code and @ParameterizedTest for testing multiple similar scenarios efficiently \n Emphasizes null handling, empty inputs, extreme values, and floating-point precision as critica