NOS 120 midterm UPDATED Exam
Questions and CORRECT Answers
argument - CORRECT ANSWER - text that provides UNIX/Linux with additional
information for executing a command. On the command line, the ******** name follows an
option name, and a space separates the two. Examples would be file and directory names
authentication - CORRECT ANSWER - the process of verifying that a user is authorized
to access a particular computer, server, network, or network sources such as Telnet or FTP
Bash shell - CORRECT ANSWER - A UNIX/Linux command interpreter (and the default
linux shell). Incorporates the best features of the Bourne shell and the Korn shell. Its name is an
acronym for "Bourne again shell"
Berkeley Software Distribution (BSD) - CORRECT ANSWER - A distribution of UNIX
developed through the University of California at Berkeley, which first distributed the BSD
UNIX version in 1975.
Bourne shell - CORRECT ANSWER - the first UNIX/Linux command interpreter,
developed at AT&T Bell labs by Stephen Bourne
C shell - CORRECT ANSWER - a unix/linux command interpreter designed for C
programmers
case sensitive - CORRECT ANSWER - a property that distinguishes uppsercase letters
from lowercase letters
client - CORRECT ANSWER - a computer on a network running programs or accessing
files from a mainframe, network server ,or host computer
command - CORRECT ANSWER - text typed after the command-line prompt which
requests that the computer take a specific action
,command line - CORRECT ANSWER - the onscreen location for typing commands
domain name - CORRECT ANSWER - a name that identifies a grouping of computer
resources on a network. They consists of three parts - a top level, sub******, and a host name
File transfer protocol - CORRECT ANSWER - an internet protocol for sending and
receiving files
graphical user interface - CORRECT ANSWER - software that transforms bitmaps into an
infinite variety of images, so that when you use an operating system you see graphics.
host/server - CORRECT ANSWER - the computer that has a network operating system,
and as a result, can accept and respond to requests from user programs running on other
computers (called clients) in the network.
Internet Protocol (IP) address - CORRECT ANSWER - a set of four numbers separated by
periods and used to identify and access remote computers on an network or over the internet.
kernel - CORRECT ANSWER - the basic operating system, which interacts directly with
the hardware and services user programs.
kernel mode - CORRECT ANSWER - a means of accesing the kernel. Its use is limited to
the system administrator to prevent unauthorized actions from interfering with the hardware that
supports the entire unix/linux structure
Korn shell - CORRECT ANSWER - a unix/linux command interpreter that offers more
features than the original bourne shell. Developed by david korn at AT&T Bell Laboratories
log in - CORRECT ANSWER - a process that protects privacy and safeguards a multiuser
system by requiring each user to type a user name and password before using the system.
,mainframe - CORRECT ANSWER - a large computer that has historically offered
extensive processing mass storage, and client access for industrial strength computing. They are
still in use today, but many have been replaced by PC type computers that are designed as servers
with powerful processing and disk storage capabilities
man pages - CORRECT ANSWER - the online manual pages for UNIX/Linux commands
and programs that can be accessed by entering man plus the name of the command or program.
multitasking system - CORRECT ANSWER - an operating system that enables a computer
to run two or more programs at the same time
multiuser system - CORRECT ANSWER - a system in which many people can
simultaneously access and share a server computer's resources. To protect privacy and safeguard
the system, each user must type a username and password in order to use or login to the system.
UNIX and Linux are multiuser systems
network - CORRECT ANSWER - a group of computers connected by network cable or
wireless communications to allow many users to share computer resources and files. It combines
the convenience and familiarity of the personal computer with the processing power of a
mainframs
operating system - CORRECT ANSWER - the most fundamental computer program. It
controls all the computers resources and provides the base upon which application programs can
be used or written.
options - CORRECT ANSWER - the additional capabilites you can use with a unix/linux
command.
ordinary user - CORRECT ANSWER - any person who uses the system, except the system
administrator or superuser
, output redirecting operator (>) - CORRECT ANSWER - the greater-than sign > is one
example of a redirection operator. Typing > after a command that produces output creates a new
file or overwrites an existing file and then sends output to a disk file, rather than to the monitor
peer-to-peer network - CORRECT ANSWER - a networking configuration in which each
computer system or the network is both a client and a server. data and programs reside on
individual system, so users do not depend on a central server. The advantage of this type of
network is that if one computer fails, the others continue to operate
personal computer (PC) - CORRECT ANSWER - a single, stand-alone machine, such as a
desktop or laptop, that performs all input, output, processing, and storage operations
portability - CORRECT ANSWER - a characteristic of an operating system that allows the
system to be used in a number of different environments, particularly on different types of
computers. UNIX and Linux are portable operating system
Portable Operating System Interface for UNIX (POSIX) - CORRECT ANSWER -
standards developed by experts from industry, academia, and government through the Institute of
Electrical and Electronics Engineers (IEEE) for the portability of applications, including the
standardization of UNIX features
root - CORRECT ANSWER - the system administrators unique user name; a references to
the system administrators ownership of the **** account and unlimited system priviledges. It
also has two other meanings - the basis of the treelike structure of the UNIX/Linux file system
and the name of the file (**** directory) located at this level and -the home directory for the
**** account
Secure shell (SSH) - CORRECT ANSWER - a form of authentication developed for
UNIX/Linux systems to provide authentication security for TCP/IP applications, including FTP
and Telnet
server-based network - CORRECT ANSWER - a centralized approach to networking, in
which client computers' data and programs reside on the server
Questions and CORRECT Answers
argument - CORRECT ANSWER - text that provides UNIX/Linux with additional
information for executing a command. On the command line, the ******** name follows an
option name, and a space separates the two. Examples would be file and directory names
authentication - CORRECT ANSWER - the process of verifying that a user is authorized
to access a particular computer, server, network, or network sources such as Telnet or FTP
Bash shell - CORRECT ANSWER - A UNIX/Linux command interpreter (and the default
linux shell). Incorporates the best features of the Bourne shell and the Korn shell. Its name is an
acronym for "Bourne again shell"
Berkeley Software Distribution (BSD) - CORRECT ANSWER - A distribution of UNIX
developed through the University of California at Berkeley, which first distributed the BSD
UNIX version in 1975.
Bourne shell - CORRECT ANSWER - the first UNIX/Linux command interpreter,
developed at AT&T Bell labs by Stephen Bourne
C shell - CORRECT ANSWER - a unix/linux command interpreter designed for C
programmers
case sensitive - CORRECT ANSWER - a property that distinguishes uppsercase letters
from lowercase letters
client - CORRECT ANSWER - a computer on a network running programs or accessing
files from a mainframe, network server ,or host computer
command - CORRECT ANSWER - text typed after the command-line prompt which
requests that the computer take a specific action
,command line - CORRECT ANSWER - the onscreen location for typing commands
domain name - CORRECT ANSWER - a name that identifies a grouping of computer
resources on a network. They consists of three parts - a top level, sub******, and a host name
File transfer protocol - CORRECT ANSWER - an internet protocol for sending and
receiving files
graphical user interface - CORRECT ANSWER - software that transforms bitmaps into an
infinite variety of images, so that when you use an operating system you see graphics.
host/server - CORRECT ANSWER - the computer that has a network operating system,
and as a result, can accept and respond to requests from user programs running on other
computers (called clients) in the network.
Internet Protocol (IP) address - CORRECT ANSWER - a set of four numbers separated by
periods and used to identify and access remote computers on an network or over the internet.
kernel - CORRECT ANSWER - the basic operating system, which interacts directly with
the hardware and services user programs.
kernel mode - CORRECT ANSWER - a means of accesing the kernel. Its use is limited to
the system administrator to prevent unauthorized actions from interfering with the hardware that
supports the entire unix/linux structure
Korn shell - CORRECT ANSWER - a unix/linux command interpreter that offers more
features than the original bourne shell. Developed by david korn at AT&T Bell Laboratories
log in - CORRECT ANSWER - a process that protects privacy and safeguards a multiuser
system by requiring each user to type a user name and password before using the system.
,mainframe - CORRECT ANSWER - a large computer that has historically offered
extensive processing mass storage, and client access for industrial strength computing. They are
still in use today, but many have been replaced by PC type computers that are designed as servers
with powerful processing and disk storage capabilities
man pages - CORRECT ANSWER - the online manual pages for UNIX/Linux commands
and programs that can be accessed by entering man plus the name of the command or program.
multitasking system - CORRECT ANSWER - an operating system that enables a computer
to run two or more programs at the same time
multiuser system - CORRECT ANSWER - a system in which many people can
simultaneously access and share a server computer's resources. To protect privacy and safeguard
the system, each user must type a username and password in order to use or login to the system.
UNIX and Linux are multiuser systems
network - CORRECT ANSWER - a group of computers connected by network cable or
wireless communications to allow many users to share computer resources and files. It combines
the convenience and familiarity of the personal computer with the processing power of a
mainframs
operating system - CORRECT ANSWER - the most fundamental computer program. It
controls all the computers resources and provides the base upon which application programs can
be used or written.
options - CORRECT ANSWER - the additional capabilites you can use with a unix/linux
command.
ordinary user - CORRECT ANSWER - any person who uses the system, except the system
administrator or superuser
, output redirecting operator (>) - CORRECT ANSWER - the greater-than sign > is one
example of a redirection operator. Typing > after a command that produces output creates a new
file or overwrites an existing file and then sends output to a disk file, rather than to the monitor
peer-to-peer network - CORRECT ANSWER - a networking configuration in which each
computer system or the network is both a client and a server. data and programs reside on
individual system, so users do not depend on a central server. The advantage of this type of
network is that if one computer fails, the others continue to operate
personal computer (PC) - CORRECT ANSWER - a single, stand-alone machine, such as a
desktop or laptop, that performs all input, output, processing, and storage operations
portability - CORRECT ANSWER - a characteristic of an operating system that allows the
system to be used in a number of different environments, particularly on different types of
computers. UNIX and Linux are portable operating system
Portable Operating System Interface for UNIX (POSIX) - CORRECT ANSWER -
standards developed by experts from industry, academia, and government through the Institute of
Electrical and Electronics Engineers (IEEE) for the portability of applications, including the
standardization of UNIX features
root - CORRECT ANSWER - the system administrators unique user name; a references to
the system administrators ownership of the **** account and unlimited system priviledges. It
also has two other meanings - the basis of the treelike structure of the UNIX/Linux file system
and the name of the file (**** directory) located at this level and -the home directory for the
**** account
Secure shell (SSH) - CORRECT ANSWER - a form of authentication developed for
UNIX/Linux systems to provide authentication security for TCP/IP applications, including FTP
and Telnet
server-based network - CORRECT ANSWER - a centralized approach to networking, in
which client computers' data and programs reside on the server
