Question: 1. Define the UNIX shell. 2. When you enter your login id and password, what determines what program starts up? Is it always a UNIX

1. Define the UNIX shell. 2. When you enter your login id and password, what determines what program starts up? Is it always a UNIX shell? 3. What is the difference between a program and a process? 4. When a program is executed, it normally executes as a ________________ process. 5. What is the generic format for a UNIX command?

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