Computers and Technology

1. foreground ___foreground processing is when the shell waits for a command to finish before issuing the prompt for another user command. 2. The first process that runs after initializing the UNIX system and is assigned Process ID # 1 is the program/process.

3. The Bourne Shell command to remove or erase the definition of a variable .

4. processing is when the shell does not wait for a command to finish. The user is issued the prompt immediately.

5. List one way to become the System Administrator User.



6. The UNIX system execution of a command or program is called a . The shell that starts up when you login is an example.

7. Command line arguments / positional parameters for shell scripts are referenced in the shell scripts using the variable syntax.

8. When one process creates another process this is called a process. Parent processes will do this to children processes in the UNIX system.

9. A connection between commands such that the standard output of one command is connected to the standard input of another command is called a .
(e. g. man cp | lp)

10. A program or file composed of shell commands is called a .

11. A Bourne shell script file will contain the syntax as the first line in the file to instruct the shell to execute the script using the Bourne shell program.

12. The UNIX system assigns a unique to each process when it is initiated. The output from the ps command will display this information.

13. This file is located in each user’s home directory and is automatically executed when logging into the UNIX system when your default shell is set to the Bourne Shell .

14. Demonstrate how to set the local variable temp to the value /home using Bourne Shell syntax. Where temp is a variable declared in the current shell only.
.

15. The command receives one line from the standard input and assigns the line to one or more variables. This command can be used in scripts to prompt users for input.

16. The System Administrator for a Unix System generally has the login name of .

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