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Details Title Linux Description Guide to Unix Using Linux by Michael Palmer 4th ed. Total Cards 120 Subject Computer Science Created 12/07/2011

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Cards

Term glob	Definition Wildcard characters are also known as ___ characters.
Term alias	Definition A(n) ___ is a name that represents another command.
Term program development cycle	Definition The process of developing an application is known as the ___.
Term compiler	Definition The ____ reads lines of code that the programmer wrote in source file and converts them to the appropriate machine-language instructions.
Term Debugging	Definition ___ is the process of going through program code to locate errors and then fix them.
Term PPID	Definition ___ refers to the parent ID of the shell.
Term case logic	Definition The ___ structure simplifies the selection of a match with a list of choices.
Term operands	Definition The variable names or values that appear to the left and right of an operator are its ___.
Term SHELL	Definition ___ holds the path name of the program for the type of shell being used.
Term algorithm	Definition A(n)___ is a sequence of procedures, programming code, or commands that result in a program or that can be used as part of a program.
Term high-level language	Definition A(n) ___ is a computer language that uses English-like expressions.
Term syntax errors	Definition If a source file contains ___ (grammatical mistakes in a program language use), it cannot be converted into an executable file.
Term PATH	Definition ___ holds the list of path names for directories searched for executable commands.
Term csh/tcsh	Definition _________ conforms to a scripting and programming language format; shell expressions use operators similar in the C programming language.
Term trap	Definition A(n) _________ command executes a command when a specified signal is received from the operating system.
Term logic structures, control structures	Definition Shell scripts support _______________ also called _________________. (Choose all that apply)
Term BASH	Definition Shell scripts support _______________ also called _________________. (Choose all that apply)
Term Bash	Definition __________ offers strong scripting and programming language features, such as shell variables, logic structures, and math/logic expressions.
Term prototype	Definition A(n) __________ is a running model of an application, which lets the developer review the final results before committing to the design.
Term ksh/zsh	Definition _________ is similar to the Bash shell in many respects, but also has syntax similar to that of C programming; useful if familiar with older Korn shell scripts.
Term !	Definition The test _____ command means “logical negation”.
Term -eq	Definition The test _____ command means “equal to”.
Term decision, document, data, magnetic disk	Definition Which of the following are examples that may be used in a flowchart? (Choose all that apply)
Term process flow	Definition What does a down arrow represent in a flowchart?
Term translate	Definition The ________ utility changes the characters typed at the keyboard, character by character, and works as a filter when the input comes from the output of another UNIX/Linux command.
Term input validation	Definition What is a process a program performs to ensure that the user has entered acceptable information, such as preventing a user from entering a duplicate record in a data file?
Term {	Definition When creating a shell function from the command line, what character is entered at the first > prompt just after the function’s name declared?
Term -le	Definition The test _____ command means “less than or equal to”.
Term flowchart	Definition A(n) __________ is a logic diagram that uses a set of standard symbols to visually explain the sequence of events from the start of a process to its end point.
Term -n	Definition The test _____ command tests for a nonzero string.
Term -ge	Definition The test _____ command means “greater than or equal to”.
Term sed	Definition The ________ command reads a file as its input and outputs the file’s modified contents.
Term Boolean	Definition A(n) __________ operator is a logical operator that symbolizes AND, OR, or NOT.
Term -z	Definition The test _____ command tests for a zero-length string.
Term ()	Definition Which of the following characters are placed right after a function name when creating a shell function?
Term flowchart, pseudocode	Definition After creating a(n) ___________, the next step in designing a program is to write ___________. (Choose all that apply)
Term shell function	Definition A(n) ____________ is a group of commands that is stored in memory and assigned a name.
Term test	Definition Use the _________ command to validate the existence of directories and files as well as compare numeric and string commands.
Term exit status	Definition A(n) __________ is a numeric value that the command returns to the operating system when it finishes.
Term terminator	Definition What symbol is typically used at the start and end of a flowchart?
Term ifconfig, ping, traceroute, netstat	Definition The _______, ________, ________, and ________ commands are used on computers connected to a network for viewing information about the network connection and for troubleshooting the connection. (Choose all that apply)
Term Garbage files	Definition ___________ are temporary files that lose their usefulness after several days.
Term nroff, troff, groff	Definition Text containing embedded typesetting commands is processed by programs like the ________ and ________ utilities or the Linux _______ utility for formatting output. (Choose all that apply)
Term core file	Definition A(n) __________ is created when an executing program attempts to do something illegal.
Term system status, security, programming, networking	Definition Which of the following UNIX/Linux utilities are classified into its major functional areas? (Choose all that apply)
Term mail	Definition The ________ command is a basic utility for sending and retrieving mail on a UNIX/Linux computer.
Term MIME	Definition ___________ is a standard that supports sending and receiving binary files in mail messages.
Term kill	Definition The _________ command terminates a specific process.
Term Samba	Definition _________ is a utility that uses the SMB protocol, which is also used by Windows systems for sharing folders and printers.
Term ispell	Definition The utility that checks spelling, ________, scans a text document for typing errors and suggests corrections.
Term top, free	Definition The _________ and _________ utilities provide detailed views of the “internals” of the system to determine factors such as CPU and memory use. (Choose all that apply)
Term NFS	Definition UNIX/Linux systems enable resource sharing over a network by using _________.
Term dd	Definition The ________ command has a set of options that allows it to perform copying tasks.
Term ps	Definition The _________ command displays all processes currently running.
Term RPC	Definition A(n) _________ enables services and software on one computer to use services and software on a different computer.
Term IP	Definition The __________ is used to help ensure that information on a network goes to the right place.
Term du	Definition The _________ command checks for disk usage.
Term df	Definition The _________ utility checks and reports on free disk space.
Term PID, process id	Definition When running a program, it starts one or more processes that are identified to the operating system through a unique number called _________ or __________. (Choose all that apply)
Term dump	Definition Archive and backup file systems, directories, and files, using the ________ command.
Term subroutine	Definition A(n) _________ is a segment of code often used over and over again that can be internal or external to a program.
Term Constants	Definition __________ do not change value as the program runs.
Term hash	Definition A(n) _________ is a variable representing a set of key/value pairs.
Term hyperlink	Definition A(n) _________ is the text or object in a Web document that, when clicked, loads another document and displays it in the browser window.
Term filehandle	Definition A(n) _________ is an input/output connection between a Perl program and the operating system.
Term Variables	Definition __________ are symbolic names that represent values stored in memory.
Term head, body	Definition The two parts of HTML code are _________ and __________. (Choose all that apply)
Term diamond	Definition The <> symbol is called the _________ operator.
Term Perl	Definition __________ is a free script language that runs on many operating systems.
Term Arrays	Definition ________ are variables that store an ordered list of scalar values that are accessed with numeric subscripts, starting at zero.
Term @	Definition When assigning values for an array, what character should precede the name of the array?
Term ==	Definition What is the Perl numeric relational operator for equality?
Term \r	Definition What is the Perl character for a carriage return?
Term ne	Definition What is the Perl string relational operator for not equal to?
Term CGI	Definition Perl is the most commonly used language for _________.
Term spaceship	Definition A(n) __________ operator is a special Perl operator for numeric sorts that reduces coding requirements.
Term loopback	Definition The _________ feature allows a UNIX/Linux system to access its own internal network configuration instead of an external network.
Term scalar	Definition A(n) _________ is a simple variable that holds a number or string.
Term Web server	Definition A(n) _________ is a system running Web server software.
Term HTML	Definition A Web page can be created using ___________.
Term null	Definition A(n) _________ character is a single byte in which all bits are set to zero.
Term preprocessor	Definition The __________ makes modifications to a program, such as including the contents of other files and creating constant values.
Term Daemons	Definition __________ are specialized system processes that run in the background.
Term %s	Definition What C format specifier stands for a character string?
Term /, %, ++	Definition Which of the following are C arithmetic operators? (Choose all that apply)
Term automatic variables	Definition Variables that are declared inside a function are called ___________.
Term C	Definition __________ is the language in which UNIX was developed and refined.
Term function prototype	Definition The line under the “include” statement that reads “void message();” is called a(n) ___________.
Term scope	Definition The _________ of a variable is the part of the program in which the variable is defined and, therefore, accessible.
Term control string	Definition A(n) __________ is an argument that specifies how formatting should occur when using the screen output library function printf().
Term Object-oriented	Definition __________ programming uses objects for handling data.
Term functions	Definition A C program consists of separate bodies of code, known as ___________.
Term char	Definition What is the C data type that occupies a single byte?
Term keywords	Definition The C language, like all programming languages, includes __________.
Term object, methods	Definition A(n) ________ is a collection of data and a set of operations, called ________, which manipulate the data. (Choose all that apply)
Term void, do, static, long	Definition Which of the following are C language keywords? (Choose all that apply)
Term Assembly language	Definition __________ is a low-level language that provides maximum access to all the computer’s devices, both internal and external.
Term Identifiers	Definition _________ are names given to variables and functions.
Term %c	Definition What C format specifier stands for a single character?
Term %p	Definition What C format specifier stands for a pointer?
Term 0	Definition Runlevel _________ halts or shuts the system down (never to be used in the /etc/initab file).
Term FluxBox	Definition ____________ is a common Window Manager that offers see-through windows, window tabs and title bar configuration options.
Term startx	Definition The _________ command starts the X Window System graphical interface.
Term Calc, Base, Impress, Math	Definition The program elements of OpenOffice.org include: (Choose all that apply)
Term Scalability	Definition __________ is the capability for a computer operating system to be used on smaller computers or on larger computers.
Term Oroborus	Definition ____________ is a common Window Manager that is theme-based.
Term Runlevel	Definition __________ is the level of function at which UNIX/Linux system is running.
Term applet	Definition A(n) _________ is usually a program or small software application that is represented by an icon.
Term Nautilus	Definition GNOME offers a powerful file management tool called ____________.
Term KDE	Definition __________ enables a user to customize the desktop background, screen saver, and other features.
Term 4	Definition Runlevel _________ is not used.
Term CDE	Definition ____________ is a common Window Manager for large and small computers using open systems.
Term Kicker	Definition ___________ contains icons that invoke applets or applications.
Term Window Manager	Definition The ____________ controls how windows appear and how users control them.
Term GNOME	Definition The ___________, a product of the GNU project, is a desktop environment that is used along a Window Manager.
Term Konqueror	Definition __________ is a combined file manager, Web browser, and document viewer.
Term desktop	Definition The ____________ provides the specific GUI appearance, software applications, and other resources that are used.
Term AnotherLevel	Definition ____________ is a common Window Manager based on the fvwn Window Manager and often used with some Red Hat versions of Linux.
Term Icons	Definition _________ are a number of small images on a desktop.
Term X Window System	Definition The ____________ is a GUI that runs on Linux and many UNIX operating systems.

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