... code 21. 2Silberschatz, Galvin and Gagne ©2005Operating System Concepts – 7th Edition, Feb 6, 2005 Chapter 21: The Linux System Chapter 21: The Linux System Linux History Design PrinciplesKernel ... Linux System Chapter 21: The Linux System 21. 20Silberschatz, Galvin and Gagne ©2005Operating System Concepts – 7th Edition, Feb 6, 2005Process EnvironmentProcess Environment The process’s ... modify the semantics of certain system callsUsed primarily by emulation libraries to request that system calls be compatible with certain specific flavors of UNIX Chapter 21: The Linux System Chapter...