HP-Certified HP-UX System Administration

Appendix A. CHAPTER REVIEW ANSWERS

Part One: Fundamentals of the UNIX Systems

Chapter 1: Getting Started with UNIX

1:	What is the role of the shell in a UNIX system?
A1:	The shell is a command interpreter for UNIX users. It reads input from users and performs an action depending upon that input.
2:	What is the difference between intrinsic and extrinsic commands?
A2:	Intrinsic commands are built into the shell while extrinsic commands are stored s separate files.
3:	What restrictions apply to an HP-UX password?
A3:	The length of a password is between six and eight characters. It must be a combination of characters and numbers. At least two characters of the password must be letters and one must be a number or a pecial character such as, a dash (-), underscore ...