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1:	The system startup file for a UNIX shell is invoked: when the system boots up whenever a user issues a new command when a user logs into the system any time a user starts a subshell
2:	The default POSIX shell prompt for a common user is: # % $ current directory name followed by #
3:	When a user logs into HP-UX, the initial directory is: the root directory the home directory for the user the user directory any directory chosen by the system at random
4:	What is the difference between intrinsic and extrinsic UNIX commands? Intrinsic commands are built into the shell, while extrinsic commands are separate programs. Extrinsic commands are built into the shell, while intrinsic commands are separate programs. The superuser runs extrinsic commands, while any user can run intrinsic commands. A user logged in on the console runs intrinsic commands, while a user logged in from other terminals runs extrinsic commands.
5:	What is true about the superuser? The superuser has user ID 100. Any user whose user name starts with words root or admin can be a superuser. Any user with user ID 0 is a superuser. A user with the name super is a superuser.
6:	The default shell for HP-UX users is: Bourne shell C shell POSIX shell Korn shell
7:	To log out of the HP-UX session, you use command: logout exit both of the above quit

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