Study Guide 9

True/False
Indicate whether the sentence or statement is true or false.

____ 1. UNIX-type systems support non-IP protocols, such as Novell’s IPX/SPX and AppleTalk.

____ 2. /Users/jones is the login (or home) directory for the user Jones on a UNIX system.

____ 3. Every file and directory on a UNIX-type of system is owned by exactly one user and is a member of exactly one group.

____ 4. Apple and IBM use the same central processing unit, the PowerPC, in their computers.

____ 5. The Solaris kernel is the software Linus Torvalds wrote and released to the public in 1991.

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.

____ 6. Versions of UNIX that come from Bell Labs are known as ____.

a. Samba c. BSD
b. System V d. Solaris

____ 7. An implementation of UNIX for which the source code is either unavailable or available only by purchasing a licensed copy from The SCO Group is known as ____.

a. open source software c. proprietary UNIX
b. BSD d. GNU

____ 8. UNIX-type systems that are not owned by any one company are known as ____.

a. AIX c. kernel modules
b. open source software d. BSD

____ 9. Apple Computer released Mac OS X to the public in the Spring of 2001 to replace its previously released network operating system software, ____.

a. AppleShare IP c. SPARC
b. Mach d. Solaris

____ 10. A(n) ____ represents an instance of a program running in memory (RAM).

a. pipeline c. shell
b. kernel d. process

____ 11. ____ in a UNIX server can take the form of a disk partition, or it can be in a file.

a. Kernel modules c. i-nodes
b. Virtual memory d. Command interpreters

____ 12. Most current UNIX-type of systems use a(n) ____ addressing scheme that enables programs to access 4 GB of memory.

a. 8-bit c. 32-bit
b. 16-bit d. 64-bit

____ 13. A UNIX ____ is a file that contains instructions for performing a specific task such as reading data from and writing data to a hard drive.

a. UFS c. shell
b. kernel module d. pipeline

____ 14. The Mac OS X Server kernel is derived from an operating system called ____, which was developed at Carnegie Mellon University in the 1990s.

a. Mach c. Solaris
b. XNU d. Linux

____ 15. A(n) ____ is a method of organizing files and directories on a disk in which directories may contain files and other directories.

a. command interpreter c. daemon
b. shell d. hierarchical file system

____ 16. On a UNIX-type of system, the ____ directory contains the kernel and other system initialization files.

a. /var c. /home
b. /boot d. /Users

____ 17. Apple’s ____ is the native file system for Mac OS X Server.

a. HFS+ c. Fedora Core
b. ext3 d. i-node

____ 18. A(n) ____ translates your typed commands into machine instructions that a UNIX-type of system can understand.

a. kernel c. command interpreter
b. i-node d. NFS

____ 19. In UNIX, you combine commands using a(n) ____.

a. lpr c. lpd
b. Mach d. pipe

____ 20. ____ is the version of Linux packaged and distributed by Red Hat, Inc., on a PC.

a. Solaris c. SPARC
b. Fedora Core d. Samba

____ 21. On a Linux or Solaris system, the ____ command creates a new group ID and makes the group available for use.

a. man c. root
b. chmod d. groupadd

____ 22. UNIX-type systems enable you to restrict access to resources by assigning user and group ____ to files and directories.

a. pipelines c. shells
b. permissions d. nodes

____ 23. Changing file and directory permissions requires use of the ____ command.

a. groupadd c. lpr
b. pipe d. chmod

____ 24. When installed on a UNIX-type of system, ____ provides all the networking services necessary to make your UNIX-type of system a fully featured Windows file- and printer-sharing server.

a. Xserve c. XNU
b. Samba d. SPARC

____ 25. All modern flavors of UNIX, Linux, and Mac OS X Server support data sharing using directory services based on ____.

a. LDAP c. NFS
b. XNU d. Samba

____ 26. The native file system type on Linux is called ____.

a. BSD c. Fedora Core
b. HFS+ d. ext3

Completion
Complete each sentence or statement.

27. Berkeley versions of UNIX are known as __________________________________________.

28. A command interpreter is also known as a(n) ____________________.

29. Two or more commands connected by a pipe are called a(n) ____________________.

30. ____________________ is a GUI application included with Mac OS X that allows you to manage users and groups.

31. ____________________ file systems are used to organize the information on a hard drive.

Matching

Match each term with the correct statement below.

a. Source code f. Network file systems
b. The Open Group g. Samba
c. The SCO Group h. Command interpreter
d. Mac OS X Server i. File globbing
e. Kernel

____ 32. Owns the UNIX trademark.

____ 33. Runs only on Apple hardware.

____ 34. Enable users to access files on other servers via the network.

____ 35. An open source application.

____ 36. Computer program that can be read by people.

____ 37. Program that accepts and runs the commands you type on the keyboard.

____ 38. The core of all UNIX-type systems.

____ 39. Owns the rights to the UNIX source code.

____ 40. The equivalent to using wildcards in Windows and DOS.

Short Answer

41. List five features shared by all flavors of the UNIX operating system.

 

 

 

 

 

42. What are the advantages of choosing a proprietary UNIX system?

 

 

 

 

 

43. What is the difference between freely distributable UNIX-type of systems and proprietary implementations of UNIX?

 

 

44. What are the advantages of open source UNIX and Linux?

 

 

 

 

45. How does the hardware requirement for UNIX-type systems differ from Windows Server 2003 servers?

 

 

 

 

46. What type of processors are supported by the following flavors of UNIX: Solaris, Linux, and Mac OS X Server?

 

 

 

 

 

47. Briefly discuss the purpose of each of the nine sections of manual pages.

 

 

 

 

 

48. What is the meaning of the following file designations: d, -, b, and c?

 

 

 

 

49. What type of information is kept by UNIX-type systems about each file on your computer?

 

 

 

 

50. How would you add the group students to your Linux or Solaris system?