Like any time-sharing system, Linux achieves the magical effect of an apparent simultaneous execution of multiple processes by switching from one process to another in a very short time frame. (a) What is a daemon process? (5 marks) (b) Differentiate between background process and foreground process with sample commands. (10 marks) (d) In a secure multi-user environment like Linux, access rights on a file or folder are defined. Given below is a single entry from the result generated for a 'ls -l'. Explain each of the components. rwxrr3airalinux22281Jan1110:34directory (10 marks)