Open Source Software Systems
Midterm Exam
Course Introduction
Open Source Software Systems explores the principles, practices, and impact of software developed and distributed with open licensing. The course examines the history and philosophy behind open source, its development methodologies, and the legal and ethical considerations involved in contributing to and using open source projects. Students gain hands-on experience with essential tools for version control, collaboration, and issue tracking, while critically analyzing the business models, community dynamics, and sustainability of open source ecosystems. Case studies of prominent projects and contributions to real-world open source software allow students to understand the technical and social factors driving innovation and adoption in this rapidly evolving field.
Recommended Textbook Guide to UNIX Using Linux 4th Edition by Michael Palmer
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11 Chapters
583 Verified Questions
583 Flashcards
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Chapter 1: The Essence of Unix and Linux
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54 Verified Questions
54 Flashcards
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Sample Questions
Q1) In a peer-to-peer network,the system administrator secures all the information on the network by securing the server.
A)True
B)False
Answer: False
Q2) In the Linux Bash shell,the ____ key combination moves the cursor to the position just before the first character of the next word.
A)Alt+l
B)Alt+d
C)Ctrl+k
D)Ctrl+a
Answer: A
Q3) UNIX and Linux are ____ systems,which allow one user to execute more than one program at a time.
A)server-based
B)peer-to-peer
C)multitasking
D)multiuser
Answer: C
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Page 3
Chapter 2: Exploring the Unix-Linux File Systems and File Security
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54 Verified Questions
54 Flashcards
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Sample Questions
Q1) UNIX-Linux systems interpret ____ to mean the parent directory.
A)dot (.)
B)dot (..)
C)backward slash (\)
D)forward slash (/)
Answer: B
Q2) The ____ partition acts like an extension of memory,so that UNIX-Linux have more room to run large programs.
A)backup
B)primary
C)virtual
D)swap
Answer: D
Q3) Why is it a good idea to partition your hard disk?
Answer: Partitioning your hard disk provides organized space to contain your file systems.If one file system fails,you can work with another.
Q4) You can use the -a option with the ls command to list ____________________ files.
Answer: hidden
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Chapter 3: Mastering Editors
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51 Verified Questions
51 Flashcards
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Sample Questions
Q1) used in vi to delete the text at the cursor
A)Ctrl+g
B)Alt+w
C)dd
D)yy
E)dot (.)
F)/
G)$
H)x
I)k
Answer: H
Q2) Emacs is a modal editor.
A)True
B)False
Answer: False
Q3) What is ASCII?
Answer: Each byte,or code,has been standardized into a set of bit patterns known as ASCII.ASCII stands for the American Standard Code for Information Interchange.
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Page 5
Chapter 4: Unix-Linux File Processing
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55 Verified Questions
55 Flashcards
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Sample Questions
Q1) A sorting ____ is a field position within each line.
A)index
B)key
C)column
D)position
Q2) You can use the ____ operator to redirect commands or program error messages from the screen to a file.
A)1>
B)2>
C)3>
D)4>
Q3) The ____ command is used to look for patterns in files.
A)awk
B)find
C)pattern
D)search
Q4) When you use the paste command,by default,the pasted results appear in columns separated by commas.
A)True
B)False
Page 6
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Chapter 5: Advanced File Processing
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51 Verified Questions
51 Flashcards
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Sample Questions
Q1) formats and prints
A)pr
B)sed
C)comm
D)grep
E)cut
F)diff
G)sort
H)tr
I)wc
Q2) The ____ option of the uniq command instructs it to generate as output only the lines of the source file that are not duplicated successively.
A)-d
B)-s
C)-o
D)-u
Q3) What is tr used for?
Q4) What will happen if you execute the following command?
ls -l -sbin | more
Q5) What is the diff command used for?
Page 7
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Chapter 6: Introduction to Shell Script Programming
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55 Verified Questions
55 Flashcards
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Sample Questions
Q1) Wildcard characters are also known as ____ characters.
A)bogus
B)filler
C)glob
D)search
Q2) The ____ reads the lines of code that the programmer wrote in the source file and converts them to the appropriate machine-language instructions.
A)compiler
B)linker
C)assembler
D)interpreter
Q3) ____ variables are used to store information about the setup of the operating system,and after they are set up,you typically do not change them.
A)Global
B)Environment
C)Configuration
D)Shell
Q4) What is debugging?
Q5) What is a string variable?
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Chapter 7: Advanced Shell Programming
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48 Flashcards
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Sample Questions
Q1) true if a file exists and is a regular file
Q2) What are flowcharts used for?
Q3) The -____________________-bashrc file sets default functions and aliases.
Q4) What is a shell function?
Q5) How can you set defaults for using the vi editor?
Q6) What are pseudocode instructions used for?
Q7) A .bash_logout file in each Bash user's home directory executes commands when the user logs out.
A)True
B)False
Q8) What is the test command used for?
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Chapter 8: Exploring the Unix-Linux Utilities
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54 Verified Questions
54 Flashcards
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Sample Questions
Q1) What is the uptime command used for?
Q2) When you need to back up lots of files and directories or you want to do a full system backup,you can use the ____________________ utility from the command line.
Q3) IP stands for ____________________.
Q4) The ____ utility offers a simple way to test connections.
A)ifconfig
B)test
C)netstat
D)ping
Q5) copies and converts input records
A)df
B)ifconfig
C)dd
D)groff
E)ps
F)dump
G)du
H)cmp
I)talk
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Chapter 9: Perl and Cgi Programming
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52 Verified Questions
52 Flashcards
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Sample Questions
Q1) The Awk program does not require the programmer to explicitly set up looping structures as does Perl.
A)True
B)False
Q2) When processing the individual elements of an array,use the ____ character.
A)@
B)#
C)$
D)*
Q3) The <> symbol is called the ____________________ operator.
Q4) in Perl,precedes a hash variable,when it is assigned values
A)\n
B)$name
C)@
D)\
E)<>
F)#
G)==
H)%
I)ne
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Chapter 10: Developing Unix-Linux Applications in C and C
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58 Verified Questions
58 Flashcards
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Sample Questions
Q1) denotes the beginning of a comment
A)main()
B)a.out
C)null
D)%
E)/*
F)stdio.h
G){
H)gcc
I)#include <stdio.h>
Q2) is a preprocessor directive
A)main()
B)a.out
C)null
D)%
E)/* F)stdio.h
G){
H)gcc
I)#include <stdio.h>
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Page 12
Chapter 11: The X Window System
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51 Verified Questions
51 Flashcards
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Sample Questions
Q1) Where was the X Window system originally developed?
Q2) a powerful file management tool (GNOME)
A)Oroborus
B)Nautilus
C)sawfish
D)gwm
E)Konqueror
F)IceWM
G)Blackbox
H)fvwm
I)Metacity
Q3) What is GNOME?
Q4) The ____________________ (KIO)plugins add new functionality to the native capabilities of Konqueror.
Q5) Runlevel ____ shuts the system down.
A)0
B)1
C)5
D)6
Q6) What is OpenOffice.org?
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